DescriptionThis is a pack of 2 bags steel ball which can be used for bearing or slingshot. Adoption of premium material, it is durable, solid and long lasting use. The surface is smooth and even without rust spots. Suitable for bearing, bicycle, electric drill and so on.Feature- Color: As shown. - Material: Steel. - Diameter: 6mm. - This is a pack of 200Pcs steel ball which can be used for bearing or slingshot. - Adoption of premium material, it is durable, solid and long lasting use. - The surface is smooth and even without rust spots. - Looks similar with serling silver beads and it is also hypoallergenic, durable, does not rust, change color or tarnish, and will last a lifetime. - Suitable for bearing, bicycle, electric drill, slingshot and so on.