1.125" size for superior support.090" thick high-strength, heat-treated steel.125" thick aluminum for strength and durabilityTwo sizes to cover all applications: 7mm and 5/16" (use 7mm for 1/4"-20...
Top-quality backing plates made of lightweight, superstrong aluminumPlates for 7mm studs measure 1 1/8" square x .125" thick; plates for 5/16" studs measure 1 1/4" square x .165" thickAvailable in...