HFS Tm 8 PC UNIVERSAL ANGLE BLOCK BLOCKS SET V-BLOCK HARDENED Made from hardened steel A slope at any angle can be provided by installing a block or block on a machine vise Hardness: HRC 45-50 5 Pcs Angle Blocks: 1, 2, 3, 4, 5 3 Pcs V-blocks: 10, 15, 30