This Dremel (9929) diamond engraving point is a specially designed diamond-reinforced engraving bit for Dremel engraver 290 The engraving point is ideal to use on hard materials such as glass and stainless steel Reinforced with diamond partciles for a use on hard matierals and extra durability Suitable for use with Dremel 290 Engraver which is a specialty engraving pen tool featuring reciprocating action for optimal engraving control Fits with all Dremel Multi-/Rotary tools or other 3,2mm shank size multi- / rotary tools, Weight: 0.01763698096 pounds, Manufacturer: Dremel