EZ-SHIM HEAVY DUTY SHIMS are 4 times stronger than wood shims. Load bearing up to 8,000 lbs., Won't split, rot or warp. Handles large screws and nails easily without splitting. Pre-scored break off points, Injection molded for consistency. Cor Black 10 molded shims per sheet, 2 sheets per Polybag. Individual shim size (approx)5/16"H (at highest point) x 1-1/8"W x 8"L