Specification Brand : Auniwaig BulletPoint1 : 【Size】-4mm diameter rubber grinding head with 3mm shank,Head Diameter:18mm/0.71-Inch;Head Shaped:Cylinder shaped BulletPoint2 : 【High quality】- Rubber polishing burrs bits is made of high-quality rubber material, and the main shaft is made of metal; The special material has good elasticity and wear resistance, can work better and will not damage the workpiece BulletPoint3 : 【Easy to use】-Rubber wheel bit can be used with polishing wheels, electric drills, electric grinders or other rotating tools; Engraving, polishing, sharpening and deburring without polishing agents BulletPoint4 : 【Feature】- Abrasive cutting edge sharp edges and corners to maitain good, high durability,quickly polish hardware accessories,is equivalent to the grinding effect of 2000 mesh sandpaper BulletPoint5 : 【Widely used】- Mounted point polishing bits suitable polishing metal, jade, woodcarving, hardware accessories, glass, various molds, non-metallic surfaces, etc., rough surface grinding and polishing Color : Silver CompatibleMaterial : Carbon Steel ExternallyAssignedProductIdentifier : 6404551887730 ItemName : Auniwaig 4mm Rubber Polishing Bits Cylinder Shape Polishing Burrs Bit,Electric Drill,Rotary Tool Accessories 3mm Mandrel 15PCS ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemPackageQuantity : 1 ItemShape : Ball-Shape ItemTypeKeyword : power-rotary-tools Manufacturer : Auniwaig Material : Metal Material1 : Rubber Material2 : Metal Material3 : Carbon Steel MaximumRotationalSpeed : 35000 rpm ModelName : power-rotary-tools ModelNumber : LSW24040722 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : CU5011M2103HF-FBA ProductDescription : Auniwaig Rubber Polishing Burrs Bits Package Content: 15pcs x Rubber Mounted Points Specification: Mandrel Diameter: 3mm/0.12" Head Diameter:4mm/0.16" Head Shaped:Cylinder shaped Head Material: Rubber Shank Material: Nickel Plated Carbon Steel Description: 1.Great for smoothening the rough surface of engraved glass 2.Great for cleaning and polishing jewelry after soldering, work great for polishing up and rounding the rough edges of rings;Work well for cleaning rust off steel, removing light pitting, softening hard edges on parts 3.The Rubber Grinding Heads - quickly polish hardware accessories, jade and other materials; is equivalent to the grinding effect of 2000 mesh sandpaper 4.It is processed by mixing special rubber and abrasive materials. It can process metal, non-metal and other parts and crafts;The shape of the stone can be selected according to different processing parts. The sharpness is higher, and it can be ground and polished, and it is not easy to burn the workpiece. It also can quickly polish the rough surface after machining. Description: 1.Please do not run in excess of 30,000 R.P.M. 2.Ideal for polishing surface of metals and non-ferrous metal. 3.Fit for rotary tools, can be used with electric drills, electric grinders or other rotary tools.