Use CNC mill to engrave many types of materials. (see Description) It will fit any 1/4" collet or holder Engraves brass, aluminum, trophies, name tags Made using a precision ground stainless steel body. Engraves brass, aluminum, trophies, name tags . Made using a precision ground stainless steel body 1/4" DIAMOND DRAG ENGRAVING TOOL WITH 60°, 90° & 120° TIP. These are brand new spring loaded drag Engraving tools. This package will be handy to have so that you will be able to use the best tool for the job that you are doing. Always have the correct tool on hand. Many people are confused by what angle you are actually getting. We have created a drawing to help clarify the angle tool. These tools can be used on any engraving machine that has a 1/4" collet. With this type of tool you are able to do very detailed engravings on uneven surfaces and the engraving remains even. The tool does not rotate so you do not need to run the spindle. These are perfect for engraving several types of material including brass, aluminum, fiber board, acrylic, plastic painted surfaces and much more. The tool has a precision ground 1/4" diameter stainless steel body with an 1/8" diamond bit that extends out by approximately 1/2", the overall length is approx. 2" & there is up to 3/8" travel. These are made in our own machine shop by skilled machinists & each one is inspected and tested before packaging. These are high quality tools made in the USA on CNC machines. If you have any questions please contact us before buying. Thanks for looking and Happy Engraving! We also have replacement tips available. Skeleton, Piranha, Laguna, Shark, 3020, 3040, 3060, Taig, Sherline, LXG0609, 2020, 2030, 2040, Oliver, Rising, Konmison, Sanvn, Gtsun, Sungoldpower,