![Diamond Points Mounted on 3/32" Shanks - Inv. Cone (598333980706)](http://perrinwatchparts.com/cdn/shop/products/11-129-600_600x600.jpg?v=1595353117)
Diamond Points Mounted on 3/32" Shanks - Inv. Cone 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 H17.