Universally Compatibility : 18mm×1.5 Threaded connector fits most electric grinders, pendant drills, and bench grinders, with a 3mm collet that accommodates standard grinding bits (0.3 3.2Mm Ergonomic Antislip Handle : Lightweight 209g textured handle provides comfortable grip and reduces hand fatigue during prolonged use in carving or polishing projects Flexible Maneuverability : 108cm flexible extension cable allows easy access to tight spaces and hard to reach angles, perfect for wood carving, engraving, and detailed polishing tasks High Precisions Transmission : Features a high concentricity shaft connection for stable operations with minimal vibrations, ensuring precisely engraving and fine detailing work Protective Construction : Reinforced with rubber sheath and metal spring for abrasion resistance and longevity, ideal for both DIYer enthusiasts and professional craftsmen, Manufacturer: Tsophreniq