From the mind of Sergej Manaenko, this workholding solution turns any vise into a positioning vise. The rail system on the bottom fits into the jaws of any GRS vise. Slide it within the jaws or rotate it to always find the perfect center point under the microscope.

Features:
- Self-centering jaw system
- Perfect for small pieces, such as watch parts, pendants, small knives and more
- Always work within center under the microscope
- Bidirectional rotation
- Resistance from free to locked
- High-quality stainless steel
- 2.38 mm brass and steel pins

Includes Positioning Pin Vise, 4 steel pins, 4 brass pins, hex key, MicroBlock Rubber Base. The Universal Positioning Pin Vise is compatible with all GRS Vises, sold separately.

Vice diameter: 50 mm
Jaw Width: 50 mm
Jaw Height: 8.3 mm
Max. Opening: 31 mm (68.5 mm with pins)
GRS: 003-775
Weight: 337 g