Package Include
15PCS BLACK SETUP BLOCKS
Accurate and Commonly Used Size: 1x2x3", 3/4, "23/32", 1/2 ", 15/32 ", 7/16" to 3/8 ", 5/16" , 1/4 ", 7/32 ", 3/16" , 5/32 ", 1/8" , 3/32 ", 1/16".
They are more or less within the spec of +/-0.001" within rounding error.