• British Standard Whitworth (BSW) high quality alloy steel taps and dies.
• Split dies with machined lead-ins.
• Die holder features self-centring mechanism for straight and accurate thread cutting.
• Set includes dies and taps (taper and plug) in each size, tap wrench, T-bar tap wrench, die holder, thread gauge.
• Sizes: 1/8"-1/2".
• Supplied in storage case.
