4"-8 UNS Carbon Steel Hex Die 8 Pitch Contiguous 48 US States and square insulated drivers

and square insulated drivers

Part Number: Assortment Kit #417497 Pieces - Fine Thread

which together make up the 4-point mechanical structure of the clamps

Part Number: M16X30DPAPL

4"-8 UNS Carbon Steel Hex Die 8 Pitch Contiguous 48 US States and square insulated driversProduct Description Carbon steel hex dies are for re threading or cleaning bruised or rusty threads. They are the most cost effective rethreading tool available. No special holder is required for this type of die, any wrench large enough will suffice. Ideal for maintenance in the shop or field. Brand Drill America Part Number DWTSH4 8 Size 4" 8 Material Carbon Steel Finish Uncoated (Bright) Size 4" Thread Type UNS Shape Hex