Sealey 33 piece tap die set split dies metric unf bsp sealey ak3033 high quality steel taps and dies split dies with machined lead ins for ease of use die holder features self centring mechanism for straight and accurate thread cutting set includes t handled tap wrench metric screw pitch gauge and slotted 5mm screwdriver sealey ak3033 tap and die set split dies 33pc metric unf bsp