3" black rubber pool table shims used to help level pool table legs and pool table slate. Available in four thicknesses: 132" (ACRS1), 116" (ACRS2), 18" (ACRS3) and 14" (ACRS4). Models ACRS1-3 come in bags of 50 shims; model ACRS4 comes in a bag of 25 shims.