Model 3500C The 4" Velcro cinch pad is an improved version of our most popular selling pad. A cinch loop has been added to allow the user a better means to tighten the strap around the calf muscle. The user weaves the strap through the metal cinch loop, pulls tight and fastens using Velcro. Also available in 3 " model. See bottom right for ordering information. Model 3502 The cushion wrap pad with an angled steel insert to keep the climber shank from chafing the leg. The rounded edges, the 4" width and the Velcro closure all contribute to the users comfort. Fits Buckingham and Bashlin climbers. Available to fit Klein climbers. Also available with cinch loop. See below for ordering information. Model 3502 - 4" Velcro wrap pad with angled metal insert. Fits Buckingham and Bashlin climbers. Model 3502KL - Fits Klein climbers. Model 3502C - 4" Velcro cinch pad with angled metal insert. Fits Buckingham and Bashlin climbers. Model 3502CKL -Fits Klein climbers. 3500 C - 4" wide cushion wrap pad with cinch loop for easy tightening 3502 C - 4" wide cushion wrap pad with metal insert and cinch loop 3503 C - 3" wide cushion wrap pad with cinch loop for easy tightening 35032 - Leather wrap around pad with a metal insert 3126 - Thick padding with suede lining. Rounded edge minimized chafing. 3125 - Tunnel for shank, loops for strap 3122 - AB leather both sides. Our standard economy pad. 3120 - Tunnel pad, no loops. Strap weaves through pad and climber top loop. No metal in pad. 3127 - No rivets, thick felt padding, rolled edge. Requires two 26" straps.