The inner sleeve of the lock case is made of ABS plastic. The outer sleeve is injection-molded polycarbonate. Six digit consecutive numbers and logos can be laser imprinted on the transparent lock outer sleeves. The lock wire consists of two groups steel wires , and its diameter is 0.7mm. The locking scope can be controlled. The inner sleeves are supplied in red, blue, yellow and a wide selection of other colors. Breaking strength F100N