... /2''25.4mm×12.7mm16,17,18,19,20,2111/2''×11/2''38mm×38mm14,15,16,17,18,191''×2''25. ... 4mm×50.8mm14,15,162''×2''50.8mm×50.8mm12,13,14 ... ,15,16 1. standard roll length: 30m, width: 0.5m to 2.1m 2. special size ... Wire gauge(BWG) In inch In mm 1/2''×1/2'' 12.7mm×12.7mm16,17,18,19,20, ... 1mm16,17,18,19,20,21 1''×1 25.4mm×25.4mm 15, 16,17,18,19,20,Technical ...