Draper expert e10 38 square drive tx star socket draper expert 20549 expert quality manufactured from chrome vanadium steel hardened tempered chrome plated and polished for corrosion protection chamfered ends allow positive nut location display packed in individual storage hanger with barcode on reversedraper tx star products are compatible with 134torx fixing systems134torx is the registered trademark of camcar textron inc draper expert 20549 e16 38 square drive tx star sock