Fowler 52-475-050-0, All-Angle V-Block and Clamp with 1.3125" Capacity

Angle Clamp: The sides of this clamp set are parallel while the V is central and ground with a central hole provided for drilling or removing pins, Machinist Tool: V-block set has four 3/8"-16 tapped holes, two in the bottom and one on each side for angle non-clamping; used for grinding, milling, or drilling, Durable Construction: Made of hardened and precision ground tool steel, this angle V-block is perfect for grinding, milling, or drilling, Dimensions: This V-clamp is 3-5/8" long, 1-7/8" wide, and 1-7/8" high (including clamp) with a holding capacity of 1-5/16", High Accuracy: Sides are parallel and V is central and ground to. 0003".