The GRS Standard (aka 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 821-6005). 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".
Specifications:
- 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
| Brand | GRS® |
| Country of Origin | United States of America |
| Diameter | 5-1/8" |
| Jaw Size | 2-1/2" x 1-1/2" |
| Max Opening | 3" |
| Model | Small Block |
