Widely Used This flexible shaft has a wide range of applications and meets or exceeds original factory specifications, allowing for direct replacement to meet various needs. Suitable for engraving, carving, polishing, sanding, and cleaning.Professional Tools This flexible shaft offers high precision and sensitivity. It is a universal part designed for electric grinders and electric drills that accept a 3.175mm diameter collet. Compatible with most electric grinders and electric drills (shaft sold separately from the tool).High Quality Materials This flexible shaft is constructed with high-quality stainless steel and durable conduit material. Designed for high strength and corrosion resistance, it ensures maximum durability. The smooth surface finish contributes to reliable performance. Manufactured under strict quality control standards, the improved design helps extend service life.Easy to Use Installing the flexible extension on the grinder allows for greater flexibility and comfort during use, similar to holding a pen. Simple to installjust connect the connector handle to the grinder for quick setup and convenient operation.