![Diamond Points Mounted on 3/32" Shanks - Round (598333358114)](http://perrinwatchparts.com/cdn/shop/products/11-134-600_600x600.jpg?v=1595353117)
Diamond Points Mounted on 3/32" Shanks - Round 2.90 mm Long-lasting, high quality industrial grade diamond points. Highly effective for fine detail work: carving ceramics, enlarging holes, and carving of all types. Use with a light touch at 10,000 rpm. 120/140 grit.