Name: Black plastic boxed wood screw extractor (screw-type)Surface treatment: NickelQuantity: 1 set (5pcs)Material: HSS 4241 (HSS4241)Specification: 0 #， 1 #， 2 #， 3 #， 4 #Handle: hex shank 1/4 '' (6.35MM)Characteristics: screw-type head grip stronger， easier to use Uses:Suitable for with the joint or chuck an electric power tool， and suit for remove the screw or bad nut screw on a hard wood.Package includeSet of 5pcs Drill Bits