The 1.5" good Chuck is an ideal all-purpose hold that will help build your grip strength. Add the "J-hook" fastener or choose the "Slick" texture option to make this an additional challenge. Make sure and check out the whole Silent Kninja line up to find the right holds for you.
Hand crafted in the USA with commercial grade urethane resin, UV resistant dyes, and corrosion resistant drop forged hot dipped galvanized eyehole bolts.