20pcs Specifications Shank diameter：0.118 inch (3mm)Cutting dia：0.118 inch (3mm)Cutter pattern：double cutMaterial ：solid tungsten carbide steelSize：99×65×13mmTotal weight：94 gramTotal length：38mm 10pcs Specifications Total length:45-50mm,cutting diameter:6mm(0.236 Inch)shank length:35mmshank diameter:3mm(0.118 Inch)Cutter pattern: double cutMaterial : tungsten carbidepakaging : a nice transparen plastic casetSet includes: SA, SC,SD ,SE,SG,SF,SL,SM and SN type burrs. Fits：dremel and most small rotary tools.Convenient：Generally can be used with handheld electric or pneumatic tool drive (can also be used in machine tool)Target：Suitable for all skill level | this is a essential kit for woodworkers & enthusiasts who cleans up welds or works with metal frequently, easy to grasp and use, safe and reliable Multifunction Widely used for metalwork, tool making, model engineering, wood carving, jewelry making,welding, chamfering, casting, deburring, grinding, cylinder head porting and sculpting. Durable Whole Piece made of heat-treated solid tungsten carbide that lasts long working life, sharp and sturdy. Protective Packed with a plastic case for safety storage and protection. Application Tips Wear an eye mask to protect your eyes from filings.Always ensure your burr shank is well inserted into your collet and clamped down tightly.Ensure the appropriate Air Tool is used and that it is regularly maintained.Check that the burr is running true in the Air Tool before use.Use a smooth cutting action with constant movement.Use light pressure, let the burr do the work.Keep out reach of children. 1/8" Carbide burr set 10pcs 1/8" 10pcs Aluma Cut Carbide burr set 1/4" Carbide burr set 10pcs 1/4" Carbide burr set 8pcs 1/4" 5pcs Aluma Cut Carbide burr set Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Customer Reviews 4.4 out of 5 stars 1,092 4.4 out of 5 stars 406 4.6 out of 5 stars 1,172 4.6 out of 5 stars 1,394 4.5 out of 5 stars 133 Price $14.99$14.99 $16.99$16.99 $43.99$43.99 $34.99$34.99 — no data Shank Diameter：1/8" ✓ ✓ no data no data no data Shank Diameter：1/4" no data no data ✓ ✓ ✓ Cutter Pattern：Double cut ✓ no data ✓ ✓ no data Cutter pattern：Single cut no data ✓ no data no data ✓