Hall HexiBit Step Boring Bit Sets HSS 3

4-part, HSS. Consists of 3 step drills and 1 boring bit. Faster and easier tool change thanks to hex arbors, 1/4'' shank. Supplied in a plastic case. Set contains: XS 412 (ø4-12 mm), XS 513 (ø5-13 mm), XS 820 (ø8-20 mm) and boring bit XT 314 (ø3-14 mm).