American Fluid produces alum radius blocks for 632 Hydraulic benders, AFP produces radius blocks for 624 &632 benders. The block in the picture is cut form a large piece of aluminum to size. This block is 4" CRL with a 1" tube size. This radius block will be hard coat anodized to prevent wear. Aluminum radius blocks are made in sizes from 1 1/2" CLR to 8" CLR. AFP also makes these same blocks in metric size as well as SAE. AFP produces the necessary alideslides and clamps to be used with the block on the 632 bender.