Features:
Ball Head Rotary File --- Sphere head with tungsten carbide teeth, 45mm shank length, 1/4-inch shank diameter,3cm super burr head.
High Performance --- Extemely big rotary burr head with sharp tungsten carbide teeth, allowing you to easily and quickly remove a variety of materials. Saving you time and effort.
Utra-long Life --- Made of heat-treated tungsten carbide, features high hardless wear-resist and durable for long time use. Suitable for machining variouskinds of metal material.
Versatile --- Widely used for metalwork, tool making, engineering,model engineering, wood carving, jewellery making, welding, chamferring,casting, deburring, grinding, cylinder head porting and sculpting.
Target --- This is an essential bit for metalworker & DIYcarving fans, easy to grasp and use, safe and reliable.

Specifications:
Material: 45 Steel
Head Diameter: 3cm/1.18in
Shank Length: 2.5cm/0.98in
Shank Diameter: 1/4 in
Item Weight: 99g/3.5oz
Package Weight: 100g/3.5oz
Package Size: 5.5*3*3cm/2.17*1.18*1.18in

Package List:
1 * Carbide Burr