MACH50 MACH50 (FLAT FACE)DiameterFlush HoleButton Dia * QtyWeightProduct NoMMInchOuterFrontKgLbs1656 1/2216x816x1017.037.4736-5490D165S MACH50 (CONCAVE)DiameterFlush HoleButton Dia * QtyWeightProduct NoMMInchOuterFrontKgLbs1405 1/2316X914X915.634.3236-54N9C140S1465 3/4216x814X1015.834.8336-5470C146S1506216x816x816.335.9336-5478D150S MACH50 (CONVEX)DiameterFlush HoleButton Dia * QtyWeightProduct NoMMInchOuterFrontKgLbs135216X816X436-5487C135S14X31405 1/2216x816x715.734.6136-5487D140S1465 3/4316X916X1015.834.7636-54O0D146S1506216X816X1016.135.4236-5480D150S