TOLL FREE 1-888-869-2424 Special plates upon request. Material: steel, case-hardened, ground Cat. No. g 10021 15000 Shape and positioning tolerance (for all Halder Jig and Fixture Systems) Positioning tolerance: 0 – 500 mm± 0,01 Parallelism: on 500 mm 0,01 Angle precision: on 300 mm 0,01