Engraving Machine Extension Cord with 1/8 Inch Collet Enhanced flexibility for precise work: The 1/8 inch collet allows seamless connection to rotary tools, turning rigid electric grinders into flexible manual tools for accurate grinding, polishing, and work in tight spaces. Universal compatibility: A 1/8 inch hex drill bit holder fits ordinary hand drills and electric drills, providing a practical extension that adapts to various rotary tools, grinders, and engraving machines for versatile workshop use. Durable construction and safe operation: Stainless steel nut, solid plastic handle, and protective spring ensure secure attachment and reliable performance, supporting better control and comfort during detailed polishing, milling, and grinding tasks. 360degree bendable flex shaft extension: The bendable design improves accessibility in narrow or hardtoreach areas, making intricate polishing and grinding projects more manageable and efficient. Practical use scenarios: Metal engraving and finishing in tight spots on jewelry or hardware. Detailed polishing or milling on model making, woodworking, or small decorative pieces. Polishing recessed automotive or machinery components where space is limited.