AWS type RC block is used for checking Resolution Capablities of angle beam transducers. It can be available in 3 different materials(Aluminium,Carbon Steel and Stainless Steel). Geometry: 1 " x 3" x 6". Contains nine 0.062" diameter holes for 45, 60 and 70 degree transducers. Dimensions: 6.000" x 3" x 1.000"(152.4mm x 76.2mm x 25.4 mm)