The folding width can be adjusted between 3mm and 6.5mm,and can fold with force type. Use BD-200 adapts to folding on PVC, PU leather, natural, leatheroid and cloth of shoes, leather products and clothes which have already cemented. BD-202 is used for binding of middle sole. High-grade foam middle sole. and it also is used for round angle and binding of all interlayer card boards or hard boards ...