M3 metric hand tap screw thread set 3 pieces tap & 1 pc die 0.50 pitch

M3 metric hand tap screw thread set 3 pieces tap & 1 pc die 0.50 pitch1 pcs x Bottoming tap1 pcs x Intermediate tap1 pcs x Taper tap1 pcs dieFor hand tapping.In plastic box.Tap lengths: 40mmTap back square: 2.5x2.5mmDie ex. diameter: 20mmTolerance: 6g ( good for commercial applications)Material: HSSNew, old stock, unused.Returns accepted