2.50 X 1.73 X 2.76″ V-Block & Clamp Set ~ 90° V groove accuracy are central, parallel and square with all surfaces within 0.0003″. ~ Case is hardened and ground. ~ Clamps are included. ~ Vee capacity is 1-1/2″. ~ Supplied in a matched pair. 90° V groove accuracy are central, parallel and square with all surfaces within 0.0003″. Case is hardened and ground. Clamps are included. Vee capacity is 1-1/2″. Supplied in a matched pair.