screw extractor,5pcs set: 1.size:No.1-2-3-4-5 2.packaging:plastic box 3.material:alloy steel or carbon steel

Description:	screw extractor,5pcs set threads repairing set screw extractor set
Specification:	No.1  M3~6(1/8~1/4)
	No.2  M6~8(1/4~5/16)
	No.3  M8~11(5/16~7/16)
	No.4  M11~14(7/16~9/16)
	No.5  M14~18(9/16~3/4)
Surface:	black finished or sandy blast
Material:	alloy steel-HRC58-60
	carbon steel-HRC40-48
Packing:	plastic box ,or blister card,hanging bag