9/16"-18 UNF Carbon Steel Left Hex Die BoltsandNuts.com They are made from M42

They are made from M42 8% cobalt and are manufactured to NAS 965 Type "D" specifications

Part Number: 50X250DPSS

Tekton T-handle keys have two ends—both a ball-end long arm for spinning out fasteners

Size m14 x 2

3–10 mm ball end L-keys

9/16"-18 UNF Carbon Steel Left Hex Die BoltsandNuts.com They are made from M42Product 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 DWTHX91618LH Size 9 16" 18 Material Carbon Steel Finish Uncoated (Bright) Size 9 16" Thread Type UNF Shape Hex