Specification Brand : ROOCBIT BulletPoint1 : This is a handy tool that adapts an angle grinder to a 1/4" or 1/2" collet.,5/8"-11 thread, fit for all 5/8"-11 thread angle grinders and polishers, Suitable for clamping various drill bits with 1/4 inch or 1/2 inch shanks. BulletPoint2 : For Type 5/8-11 thread angle grinder,Pneumatic grinding machine, and is dedicated to convert the angle grinder into a hand electric drill, realizing one machine for multiple purposes. BulletPoint3 : Made of high-carbon steel, high hardness, anti-rust, high toughness, high torque and durability. BulletPoint4 : ER16-1/4", ER16-1/2" Spring Collet firm clamping, stable and firm clamping, not easy to slip. BulletPoint5 : Change the angle grinder into a electric drill, easily drill, drill stainless steel, walls, tiles, metal, wood, etc. Capacity : 0.5 inches CompatibleDevices : Grinding Machine IncludedComponents1 : 1/2-Inch Collet IncludedComponents2 : 1/4-Inch Collet ItemName : 5/8"-11 Thread Angle Grinder Extension Shaft Set Electric Drill Conversion Collets Adapter Woodworking Tool Accessories Include Spring Collet 1/4" & 1/2" 3PCS ItemPackageDimensions_Height : 13.4874 centimeters ItemPackageDimensions_Length : 2.4892 centimeters ItemPackageDimensions_Width : 10.1092 centimeters ItemShape : 5/8-11-Silvery ItemTypeKeyword : power-angle-grinders LockType : Combination Manufacturer : ROOCBIT Material : High Carbon Steel ModelName : ROOCBIT ModelNumber : 5/8-11 PowerSourceType : Air Powered ProductDescription : 5/8"-11 Thread Angle Grinder Extension Shaft Set ProductSiteLaunchDate : 2023-08-05T12:25:17.418Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 27112800