Arborist-Grade Pull Cuts. Without the Snap.
Slices a 3.5-inch live limb in about 9 seconds on the pull stroke, folds with zero exposed teeth, and won't.
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Every detail is aimed at the two things that ruin folding saws: blades that bend or snap, and locks that slip.
Each tooth is ground on three faces to slice wood fibers on the pull stroke. Let the saw do the work with almost no downward pressure.
Only the tooth tips are flash-hardened, so they stay sharp through dry oak while the blade body stays flexible enough to survive a pinch.
A metal lock clicks rigid at full extension with zero wobble, and locks the blade shut when folded. No plastic spring button to clog.
All 8 inches tuck fully inside the handle channel. Toss it in a tote, glovebox or work-pant pocket without snagging fabric or fingers.
Triple-ground teeth cut on the pull while deep U-shaped gullets carry wet sawdust out of the kerf, so the blade doesn't gum up in sappy green wood.
The gear lock seats into the blade tang with a crisp click. No side play, no up-and-down wobble, no chance of folding onto your knuckles mid-cut.
Press the lock, fold the blade, and every tooth disappears into the handle. It locks closed too, so it stays shut in a pocket or bag.
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8-Inch Impulse-Hardened SK5 Folding Pruning Saw with Steel Gear Lock
Backed by our 30-Day Money-Back Trial & Full 2-Year Cosari Warranty.
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Why SK5 Steel:: SK5 is a Japanese high-carbon tool steel that takes a much harder, longer-lasting edge than the mild steel used in many budget saws. Impulse hardening brings the tooth tips to 64–67 HRC while the blade body stays at a spring-tempered 50–52 HRC.
Who It's For:: Homeowners, orchard and fruit-tree growers, acreage caretakers, hunters and trail maintainers who cut limbs from 1 to 4.5 inches and want a tool that skips the fuel, batteries and noise.
What It's Not For:: It isn't built for felling trunks over 4.5 inches, and the hardened teeth can't be resharpened with a standard file. For yard and orchard limbs, it's the right size.
Free Shipping: Every order ships free with full tracking within 24 hours.
30-Day Trial: Try it at home for 30 days risk-free. Need help? Email us anytime at support@buycosari.com.
2-Year Warranty: If anything goes wrong within 2 years, we replace it free of charge or refund your order in full.
The blade is ground thinner toward the spine, so it slides through the kerf without pinching, even in wet green maple.
Deep curved gullets between tooth groups dump sawdust every stroke instead of packing up on pine and willow.
A tacky rubberized handle and curved rear hook keep sweaty, sappy or gloved hands from sliding toward the blade.
Cosari RazorLock SK5Standard Competitors
| Feature | Cosari RazorLock SK5 | Standard Competitors |
|---|---|---|
| 3.5" live pine limb | 9.1 sec, 11 strokes | 18–19 sec, bound mid-cut |
| After 50 dry oak cuts | Still catches a thumbnail | Noticeably dull and dragging |
| 15° pinch, 35 lb load | Springs back straight | Permanent bend or snap risk |
| Lock type | Steel gear lock, open & closed | Plastic spring button |
| Teeth exposed when folded | 0mm | Tips can snag fabric |
Swipe left for steps 2 and 3
Press the steel lock button and swing the blade out until it clicks rigid at full extension.
Set the blade just outside the branch collar and draw it back smoothly. Light pressure, long strokes.
The limb drops with a smooth, untorn face. Press the lock and fold the blade safely back into the handle.
I honestly didn't even bother mixing gas for my chainsaw this weekend—this thing zipped through 3.5-inch live maple and oak branches on the pull stroke like warm butter. Those U-shaped gullets between the tooth clusters actually dump the wet green sawdust instead of packing up solid.
Pay attention when folded: NOT A SINGLE TOOTH sticks out of the handle channel. My old hardware store saw chewed holes in two Carhartt pockets and sliced my thumb reaching for my keys. Solid metal click when it locks open and zero up-and-down blade wobble.
My old Fiskars bent into a permanent kink the second it pinched in green wood. This SK5 spine is noticeably thicker and springs right back dead straight even when a heavy limb shifts mid-cut.
Bought a $65 Silky last spring and snapped 2 inches off the tip on day three when my brother-in-law pushed too hard on the forward stroke. This cuts 95% as fast for a fraction of the price and the blade isn't brittle glass.
My 68-year-old hands have terrible arthritis and heavy bypass loppers wreck my wrists. With this ergonomic rubber grip and the curved rear hook on the handle, I barely even have to squeeze—just pull lightly and let the teeth do the work.
Zero downward force needed. Let the triple-ground teeth bite on the pull stroke and it leaves a mirror-smooth cut that won't hold water or rot our fruit trees. Not a single torn bark strip at the bottom of the cut.
Cut through fifty cured oak and hickory chunks for my offset smoker pit and the impulse-hardened teeth still catch my thumbnail like the minute I got it. Usually seasoned hardwood dulls a pruning saw in one afternoon.
Lives permanently in my Tacoma door pocket for downed limbs across logging roads and hunting trails. Weighs nothing, takes up zero space, and works every single time without needing batteries or bar oil.
Way quieter and safer up on a ladder than trying to one-hand a mini battery chainsaw over your head. Doesn't kick back or grab on small shoots. Only wish it came in a high-vis yellow handle option too, though the orange accents show up fine in tall grass.
Cleared out a dozen lower white pine limbs along our driveway fence. Wet pine sap usually glues a saw blade into the kerf after three cuts, but the taper-ground blade and deep gullets kept moving smoothly without binding up.
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Yes. The steel gear-lock button holds the blade rigid when open and also locks it shut inside the handle, so it won't swing open in a pocket or bag.
No. All 8 inches of the blade recess fully inside the handle channel, with 0mm of teeth showing.
Yes. The 7 TPI triple-ground teeth and deep U-gullets cleared wet pine and maple sawdust without clogging, and stayed sharp through 50 cuts of seasoned white oak.
It's designed to resist that. The tooth tips are hardened to 64–67 HRC, but the 1.4mm SK5 body is spring-tempered at 50–52 HRC so it flexes and recovers. In our 35 lb off-axis pinch test it returned perfectly straight. It still cuts best on the pull.
Up to 4.5 inches in diameter. It's fastest on limbs between 1 and 4 inches. It isn't meant for felling whole trunks.
Yes. The lock and grip are symmetrical, so it works the same in either hand.