Draper expert 8 piece 1 2 square drive draper tx star bit set draper expert 12200 b i expert quality i b draper tx star 10mm bits manufactured from silicon steel hardened and tempered with shot blast finish 1 2 square drive bit holder made from chrome vanadium steel hardened tempered and chrome plated for corrosion protection display packed br br b draper tx star products are compatible with 134 torx fixing systems b br br 134 torx is the registered trademark of camcar t