Pro-Style Uni-lock Dumbbells Uni-Lock Dumbbells are available in either a baked Hammertone finish or Virgin rubber coated. Both styles use precision castings which are machined for accuracy and fit. Available in 2.5 lb increments from 5- 55 lbs., and in 5 lb increments from 55-100 lbs. Dumbbell handles come in either straight or tapered design. Tapered design is available up to 100 lbs. 1.25" (30mm) diameter is standard. Chrome handles are deep knurled and U.S. made with "Stress Proof" steel, a GP Industries exclusive. Both styles use a rubber-coated steel end plate in conjunction with our own proprietary one piece handle and locking device providing superior strength and revolutionary adjustability for wear, and industry first.
See how the the Uni-Lock system is redefining the free weight industry.