Commonly referred to as a "4th Hand" the Park Tool Cable Stretcher pulls cables tight for adjustment of derailleurs and brakes. It features one-hand operation with a thumb lock to hold the cable tight while your hand is freed up to tighten bolts and nuts. A must-have for any shop home or professional.One-hand operation with thumb lockMade from chrome plated heat treated steelCushion grips for comfort TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Model Fourth-Hand Cable Pliers BT 2 Description Cable Stretcher Color Blue/Silver