A mixture of 0.010 & 0.015 thick shim washers with bore sizes from 3/16 to 3/4. Ideal for shimming dynamos, distributors etc. 8 x 0.010 Thick: 3/16" x 7/16", 1/4" x 9/16", 5/16" x 5/8", 3/8" x 3/4", 7/16" x 7/8", 1/2" x 1", 5/8" x 1 1/4", 3/4" x 1 1/2". 7 x 0.015 Thick: 1/4" x 9/16", 5/16" x 5/8", 3/8" x 3/4", 7/16" x 7/8", 1/2" x 1", 5/8" x 1 1/4", 3/4" x 1 1/2".