Palmgren's parallel sets are engineered and made from tool steel, hardened and precision ground on all 6 faces to an exact surface finish. Ideal for use with a mill, drill, CNC machine, or any other machining operation that requires work to be held in
Product Features:
Set includes plastic case, 9 pair of parallels. Hardness: HRC50 to HRC55 degrees. 2 pieces - 0 335" x 0 551" x 5 906". 2 pieces - 0 335" x 0 630" x 5 906". 2 pieces - 0 335" x 0 787" x 5 906". 2 pieces - 0 335" x 0 9