Product Name : Conveyor Roller;Size Type : 25mm x 300mm Shaft Diameter : 25mm/ 0.984inch;Shaft Length : 300mm/ 11.8inch Axle Dia : 7mm/ 0.275inch;Overall Length : 330mm/ 12.9inch Material : Carbon Steel;Color : Silver Tone Description: Carbon steel Conveyor Roller is for assembly line use, help to convey things easily and quickly. Widely used in paper making, packaging machines, conveying equipment, etc, for effective work. Great choice for replacing your broken roller. Package Content : 6 x Conveyor Roller Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.