Easy to use! Fits in the Cameo 4, Cameo Plus & Cameo Pro electronic die cutting machines only. The precision tip works amazing for fine details and small fonts. Etch on acrylic, aluminum, anything that will fit under the rollers on the machine. Just use double sided adhesive to keep the item secure. Chomas Creations has been around for 15 years making high quality products for your die cut machines. Trust the original designer with all the experience! As always Made in the USA.