Specification:
Hardness: HRC-55
Material: 45# steel
Accuracy: ≤0.003
MT1-B10,MT1-B12,MT1-B16,MT1-B18,
MT2-B10,MT2-B12,MT2-B16,MT2-B18,MT2-B22
MT3-B10,MT3-B12,MT3-B16,MT3-B18,MT3-B22
MT4-B10,MT4-B12,MT4-B16,MT4-B18,MT4-B22
MT5-B12,MT5-B16,MT5-B18,MT5-B22
Package included:
1pcs arbor