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Includes: (1) Pair each size from 5 to 100 lbs in 5 lb increments (20 pairs, 2100 lbs total).
Impact resistant, high durometer textured black German urethane over solid steel heads cores.
Uni-Lock head to handle fastening system with proprietary handle spline anti-loosening technology.
High strength chrome plated US steel handles with medium knurl rated at 130,000 PSI tensile strength
1.25" (32mm) handle diameter from 5-95 lbs. 1.38" (35mm) handle diameter for 100 lbs.
Series I Uni-Lock commercial dumbbells by American Barbell offer an exclusive locking design used to permanently attach the solid steel urethane coated heads to each solid steel "Unilock" dumbbell handle. The dumbbell handle shaft itself is threaded with course thread that inserts into a massive steel locking nut that will not back off even under the most severe impact. Series I dumbbells also feature splined handles with U.S. patented anti-loosening technology. Handle splines are visible grooves between the course Uni-Lock thread and the shoulder of the handle. As the solid dumbbell head is press fit onto the shaft of the handle with 25,000 PSI of force from a hydraulic press, these splines cut their own grooves into the steel of the head locking them into place and never allowing the head to spin or come loose. The proprietary handle splines are essentially a solid head dumbbell insurance policy for harsh commercial environments that can only be found on American Barbell dumbbells. With this technology, the dumbbell handle to head connection gets stronger the more it's dropped. The dumbbell head features black textured premium-grade German urethane bonded to a solid steel core that is 90 times stronger than rubber, with easy to read permanently molded numbers in gray. It is designed to hold up in high use gym environments and does not show the wear and tear that gloss and non-textured urethane dumbbells show. Add in the US made high-strength steel chrome plated handle with great knurling that comfortably fits any hand, and you will know you are using the best dumbbell on the market today. American Barbell premium German urethane is super tough and is bonded to the steel core, unlike the majority of dumbbells available today. Urethane will never dry rot and is odorless. 5-year commercial warranty against factory defects.
American Barbell Series I Uni-Lock Solid Steel Urethane Dumbbell Set 5-100 lbs (20 Pairs) - Commercial Grade Dumbbells with Anti-Loosening Technology - B01MQW1UJT