The set comprises 2 Vee Blocks and 2 Clamps packed in a wooden storage case. The Vee Blocks are hardened to HRC52 and ground as a pair for accuracy (the clamping slots are not ground).
There are three sizes of this item, please pick the one you need, each set has 2pcs.
Size (HxWxL): 1.1/4" x 1.1/4" x 1.5/8"
Maximum holding diameter: 1.1" (28mm) (approx).
Size (HxWxL): 1.3/8" x 1.5/8" x 1.3/4
Maximum holding diameter: 1.2" (30mm) (approx).
Size (HxWxL): 1.3/4" x 2.1/2" x 2.3/4
Maximum holding diameter: 1.45" (37mm) (approx)