Material:Cr-V
Size:3~6mm(1#),6~8mm(2#),8~11mm(3#), 11~14mm(4#),14~18mm(5#)
Hardness:48~52HRC
Coarse thread
Packed by plastic box
Material:Cr-V
Size:3~6mm(1#),6~8mm(2#),8~11mm(3#), 11~14mm(4#),14~18mm(5#)
Hardness:48~52HRC
Coarse thread
Packed by plastic box