This is the 1.5mm Hex Driver from O.S. Speed. FEATURES: Aluminum constructed handle Anodized black in color Size printed on handle for easy identification Hollow handle for storage INCLUDES: One 1.5mm Hex Driver SPECS: Total Length: 185mm (7.3") Handle Length: 85mm (3.3") Handle Diameter: 15mm (0.59") cnh 6/16/10 ir/jxs