Made of granite, free from deterioration or dimensional change over time,
minimal changes in dimension due to temperature changes. Meet GGG-P-463C.
Optional accessory: stand for granite surface plate (part no. 6902),
jack for granite surface plate (part no. 6903).

3M 26135, PPS Series 2.0 Adapter, Type S40, Trapezoidal Thread, 7100135335
3M 06512, Scotch Steel Gray Masking Paper, 06512, 12 in x 1000 ft, 3 per case, 7010327747
3M 19772, Utility Cloth Sheet 314D, 9 in x 11 in P80 J-weight, 7000000359 