McMaster 3312T82 Zinc Plated Steel Plug for 1 5 8" High Strut Channel 10T982 Ultimate Trigger Control by Providing Ultimate Trigger Control by Providing Smooth Acceleration for Small Fasteners to Prevent Stripping of Screws or Damaging of Materials Impacts per Minute 4400 Collett 1 4 in Hex Impact Rated Yes Battery Capacity 5 Cordless Tool Kit Contents (2) Batteries Thread Direction Right Hand Hex Nut Profile Standard Locking Type Nylon Insert Fastener Strength Rating High Finished Material Zinc Yellow Chromate Plated Steel Thread Size 1 2" 13 Width 3 4" Height 19 32" Fastener Strength Grade Class SAE Grade 8 Insert Maximum Temperature 185° F Drive Style External Hex Nut Type Hex 8695 USMCA Qualifying Yes Zinc Plated Steel — Strong and durable with a zinc plating that protects from occasional exposure to moisture