1-3/16 Capacity Precision V-Block & Clamp Set ~ 2-3/8" L X 2-3/8" W X 2. 0002". ~ Hardened & ground to RC 58-60. ~ 90° Vee blocks. ~ Supplied in a matched pair. ~ Supplied with bolts and clamps in wooden case. ~ V-block minimum capacity is 13/64" and maximum capacity is 1-3/16".