Anytime Tools 8 pc V-BLOCK & CLAMP DOUBLE SIDED 90&deg; MACHINIST TOOL Kit Includes 2 pairs 1-1/4" x 1-1/4" x 1-5/8" & 1-1/2" x 1-1/2" x 2" V-Blocks made of chrome steel and hardened to Rockwell 60C and ground. All sides are ground square and parallel to each other. V-Block sets include clamps