The GRS Small Block is an extremely well-made device used to hold objects firmly for engraving, stone setting and general-purpose work. Easily holds both large and small items.  Features heavy weight and adjustable drags for keeping the workpiece in the proper position. Uses two industrial ball bearings and a large roller thrust bearing to eliminate side play and wobble. Includes rubber ring pad with Nylon glides, upper jaw plates, five pins and wrench.  Also available with a 30-Piece Attachment Set (see our 8216005). Measures 5-1/8" in diameter with a jaw size of 2-1/2" in width by 1-1/2" in height.  Maximum jaw opening is 3".   

• Solid steel construction for exceptional durability
• Adjustable friction lock from zero to full lock for crown rotation control
• Nonglare satin finish on body, black oxide finish on jaws for protection
• Precision-machined parts for smooth, efficient operation
• Easily adjustable working angles for comfort