HSS High speed steel
A06010-A  Size ( mm ): 10pcs esch of 1-1.5-2-2.5-3-3.5-4-4.5-5-5.5-6-6.5-7-7.5-8
5pcs esch of 8.5-9-9.5-10
A06010-B  Size ( mm ): 10pcs esch of (1.0-8.5)x0.5+(3.2-4.2-10
5pcs esch of 9.0+9.5+(10.5-13)x0.5