Nite ize camjam xt aluminium cord tightener single description the camjam xt features our signature knot free camjam tightening and tensioning technology in a heavy duty tool designed to tighten tension and securely lock serious loads up to 280 lbs made of durable cast aluminum the camjam xt holds cords from 116 316 2mm 5mm in width and comes in either a single pack or combination package with a 16 488m length of 550 paracord its carabiner clip and gate on one end and rot