MHC 420-5481 Toolmakers Vee Block and clamp set Description : Ozar Vee Block Length x Width x Height : 3-1/2" x 1-7/8" x 1-7/8"/89 x 48 x 48mm Holding Capacity : 1-5/16"/33mmToolmakers V Block & Clamp Case hardened and ground. Two Vees, four tapped holes 3 8 16 UNC. Central hole in V for removing pins or drilling. Forged clamp has adjustable side screw to support the block and prevent tilting. FEATURES: Work Capacity: 1 5 16 (33mm) approx. dia. Dimensions: 1 7 8" (48mm) sq. x 3 1 2" (90mm) long. Accuracy: All surfaces (except Vs) parallel and square within . 0004". Long V groove is central, parallel and square with all