Features:British Standard Whitworth (BSW) high quality 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 & plug) in each size, tap wrench, T-bar tap wrench, die holder, thread gauge.Supplied in storage case.Specifications:Model No: AK3028BSWContents: Taps (Taper & Plug) & Dies (BSW); 1/8″ x 40, 5/32″ x 32, 3/16″ x 24, 1/4″ x 20, 5/16″ x 18, 3/8″ x 16, 7/16″ x 14, 1/2″ x 12, Die Holder, Thread Gauge (BSW), T-Handle Tap Wrench, Tap WrenchHeight: 35Width: 288Length: 213.