![Diamond Point - Knife (598337912866)](http://perrinwatchparts.com/cdn/shop/products/11-137-300_300x300.jpg?v=1595353119)
Diamond Points Mounted on 3/32" Shanks - Knife diameter 6.20 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. Style H31.