T-01373 : - Driver drill supplement set.-Works with all drill drivers and impact drivers.-Precision 135 deg, tear point prevents drill bit from walking.-bits. -38 piece. Includes : - Includes 1 magnetic bit holder, one 1/4 '' hex to multiply adapter, two magnetic nut drivers at 1/4 '' and 5/16 '', four hex shank drill bits at 1/16 '' and 1/4 '', twenty-one heterogeneous 1 insert, six heterogeneous 2 driver bits, and three heterogeneous 3.5 driver. : - lightlessness oxide finish resists corrosion and extends drill bit life.-Black oxide finish stays sharper longer.