Series I Dumbbells
Uni-Lock Urethane Dumbbells feature a Solid head design which is cast molded. Series I dumbbells incorporate our proprietary Spline and locking device, and are adjustable for wear and component replaceable if ever necessary. Handles are U.S. made high strength steel with a breaking strength in excess of 130,000 psi.
Solid Steel Core, Cast Molded, High strength steel chrome plated handles. Spline Anti-Loosening technology, German high grade urethane. Available from 5-150 lb in 5 lb increments, from 160 to 200 lbs in 10 lb increments, and from 7.5lb - 27.5 lb in 5 lb increments.
Handle diameters Straight 1.250" (32mm) 105-200lb 1.375" (34mm) Tapered 1.375" (34mm) Urethane 1.282" (32.5mm) US Patent# 7,740,569 US 6,602,169