Truck cage bolt socket，1/2-inch drive 1-1/16-inch，6.3 inch long. Compatible with lisle 49040 Heavy duty，one-piece non-welded, OD 1.55 inches, Net weight 1.64 pounds. Can be used for electric, pneumatic, manual impact wrench，for long threaded rods，bolts or studs Radius corner design.Lifetime warranty Cr-V alloy steel forging, heat treatment Heavy Duty 1/2" Drive 1-1/16" x 6.3" Long Truck Cage Bolt Socket, Extra Long Deep, Spring Brakes Bolts Socket, One-piece Non-welded, Heat Treated Cr-V Alloy Steel, 6-Point