Features: 1) Materials: carbon steel, stainless steel, copper 2) Diameter range: 3.5mm -6mm 3) Length range: 20mm-100mm Features:1) Materials: carbon steel, stainless steel, copper2) Diameter range: 3.5mm -6mm3) Length range: 20mm-100mm4) Head Type: countersunk or flat, double countersunk, pan head5) Drive Type: pozi, phillips or cross, torx6) Mainly used in wooden cases and other wooden ...