MAIN FUNCTION: This angle grinder electric drill conversion kit can turn your electric drill into a multi-functional grinding machine. Perfect for polishing, cutting wood, grinding jade, removing rust, etc. STURDY METAL MATERIAL: The drill arbor mandrel adaptor is made of high-quality metal, wear-resistant, high-temperature resistant, sturdy. 6MM/10MM SHAFTS: It fits most electric drills. This angle grinder connecting rod kit includes a 10mm triangular shaft or a 6mm round shaft according to your choice. EASY TO INSTALL: Just choose the conversion shaft you needed, insert it into the chuck, and then put the black pressure plate, polishing plate(not included), and silver pressure plate in order, using the wrench to tighten them firmly. Please take protective measures before installing and ensure that the pressure plate is secure to prevent cutting parts from flying out during use. Packing List: Wrench x2 Pressing plate x2 Adapter connecting rod x1