Deslauriers Black Econoshims 1/2" x 3" x 4" 150/ctn

4" x 3", 1/2" Solid Thick, 13/16" Slot, 10 to 12000 PSI, Black, Plastic, Horseshoe Shim. High Impact; Economical; Color Coded Thickness; Excellent Compressive Strength; Save Time, Money and Labor; Econ-O-Shims are Unaffected by Microorganisms and Alkalis, Ground Chemicals and Liquids.