1/2"-20 Stainless Steel Threaded Coil Insert Standard Repair Kit with Inserts, Drill Bit, Tap, Install Tool, and Tang Remover Quantity:1 The short arm L-keys are

The short arm L-keys are made from 8660 nickel chromium molybdenum steel that's heat-treated to 54-58 HRC and coated with a highly corrosion-resistant manganese phosphate finish

Part Number: 37C250ASBSS

This set includes Phillips (JIS compatible)

they consistently meet or exceed the industry standards for socket strength and performance

a stamped marking

1/2"-20 Stainless Steel Threaded Coil Insert Standard Repair Kit with Inserts, Drill Bit, Tap, Install Tool, and Tang Remover Quantity:1 The short arm L-keys arePart Number: EZ SK31215 Coil Material: 18 8 Stainless Steel Internal Diameter: 1 2" 20 Length (1. 5xDia): 0. 656" Drill Size: 29 64" STI Tap: 1 2" 20 STI