Standard Grippers

Name: Standard Grippers
Brand: Cannon Powerworks
Rating: 5.0 (4 reviews)

Standard Grippers are Cannon PowerWorks’ crush-grip training line, sold across nine fixed strength levels named after increasingly hard metals — Tin, Zinc, Silver, Iron, Cobalt, Gold, Platinum, Titanium, and Tungsten — each stamped with its chemical symbol. Every gripper is handmade in the USA with an oil-tempered spring (no coating or polishing) and a pinned aluminum handle with deliberately aggressive, hand-cut knurling. Cannon PowerWorks designed the line with a slightly larger coil diameter than competing brands, intentionally shifting strength ratings to fill “dead zones” — roughly 90-95, 135-140, 160-165, and 190-195 lbs — that other manufacturers’ lineups tend to skip, making Standard Grippers a common pickup for grip-sport trainers looking to bridge gaps between strength jumps rather than a first gripper. A multi-year GripBoard community thread and independent YouTube reviews consistently single out the knurling and rating accuracy as standout traits, with the aggressive bite occasionally requiring a short break-in before it’s comfortable for extended sessions.

Type	Fixed-strength crush gripper
Spring	Oil-tempered steel, uncoated and unpolished
Sold as	Individual gripper, per strength level
Manufacturer	Cannon PowerWorks
Handle material	Aluminum, pinned, hand-knurled and beveled
Strength levels	9 (Tin, Zinc, Silver, Iron, Cobalt, Gold, Platinum, Titanium, Tungsten)
Country of origin	USA (handmade)
Approximate ratings lbs	Tin ~52, Zinc ~61, Silver ~80, Gold ~97, Platinum ~117, Iron ~139, Cobalt ~162, Titanium ~177, Tungsten ~193

How it compares

	Standard Grippers	Rice Bucket - Custom/DIY	The Big PP 2.0	Napalm Handles
GymRadar rating	5.0/5	5.0/5	5.0/5	5.0/5
Price	$32.00			$15.00
Type	Fixed-strength crush gripper		Pinch grip trainer (novelty eggplant-shaped block)
Spring	Oil-tempered steel, uncoated and unpolished
Sold as	Individual gripper, per strength level			single handle or pair
Manufacturer	Cannon PowerWorks		Grip Genie
Handle material	Aluminum, pinned, hand-knurled and beveled
Strength levels	9 (Tin, Zinc, Silver, Iron, Cobalt, Gold, Platinum, Titanium, Tungsten)
Country of origin	USA (handmade)
Approximate ratings lbs	Tin ~52, Zinc ~61, Silver ~80, Gold ~97, Platinum ~117, Iron ~139, Cobalt ~162, Titanium ~177, Tungsten ~193

5.0/5 · 4 GymRadar reviews

Reviews by source

Expert	5.0/5	4 reviews
Youtube	4.8/5	2 reviews

Cannon PowerWorks’ Standard Grippers are a well-regarded fill-the-gaps line for grip-sport training, sold across nine strength levels named after increasingly hard metals. Their standout dimension is build quality: hand-knurled, beveled aluminum handles and oil-tempered springs, with a deliberately aggressive knurling that GripBoard forum members and video reviewers alike single out as best-in-class, and a coil diameter tuned to land in strength “dead zones” (90-95, 135-140, 160-165, 190-195 lbs) other brands skip. Versatility is the weak spot — this is a single-purpose crush-grip trainer, not a multi-exercise tool — and durability claims rest on enthusiast anecdote rather than long-term stress testing, though nothing in the record suggests early failure.

+Build quality: hand-knurled, beveled aluminum handles with aggressive knurling described by multiple GripBoard posters as the best in their collection (GripBoard forum)
+Functionality: coil diameter intentionally shifts strength ranges to fill dead zones (90-95, 135-140, 160-165, 190-195 lbs) other brands' lineups skip (Cannon PowerWorks blog; corroborated by GripBoard poster C8Myotome's Cobalt bridging 150s-170s)
+Value: independent grip-sport reviewer Jedd Johnson gives a "full endorsement," praising the handle spread as closer to Captains of Crush than competing budget grippers (YouTube: Jedd Johnson)
+Functionality: advertised strength ratings measured accurate against real closes, per a forum member's own testing (GripBoard forum poster John Knowlton)
+Build quality: butter-smooth spring action and visibly careful craftsmanship noted on first handling (YouTube: OldManArmStrength)

−Versatility: single-purpose crush-grip trainer with no adjustability within a given model — nine fixed strength levels, not a continuum (Cannon PowerWorks product page)
−Build quality: knurling ships sharp enough that some users find it uncomfortable at first, requiring a break-in or manual dulling before it's comfortable for high-volume use (GripBoard forum poster C8Myotome; confirmed by maker as intentional)
−Durability: no long-term stress-test data in the record — praise is from early-impression posts and videos, not multi-year durability reports (GripBoard forum; YouTube reviews)
−Value: several strength levels (Tin, Zinc, Silver, Iron, Cobalt) were sold out at time of research, limiting which points in the lineup are actually purchasable (Cannon PowerWorks product page)

$32.00

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