Tri-Bells 6" Single

Tri-Bells Super Single 6 delivers a revolutionary new way to perform 2 hand Dumbbell Triceps Extensions. Eliminate dangerous and awkward heavy dumbbell loading forever! Just snap on to any cable weight machine, place hands on dome and extend against resistance. Use for multiple angles of attack. Standing, forward leaning, & lying positions just like with dumbbell's, less the drama. USPatent# 8,491,448,B2