Specification Brand : Aexit BulletPoint1 : Country of Manufacture: CHINA; Material: Aluminum BulletPoint2 : Net Weight: 63g; Package Content: 1 x Idler Pulley Wheel BulletPoint3 : Main Color: Silver Tone; Teeth: 25 BulletPoint4 : Belt Width: 16mm/0.63"; D-Shape Bore Size: 5mm x 4.5mm/0.2" x 0.18"(Max.L*W) BulletPoint5 : Dimension: 44mm x 19mm/1.73" x 0.75"(D*L) ItemName : Aexit Aluminum 25 Electrical equipment Teeth 5mmx4.5mm D-Shape Bore 16mm Belt Timing Idler Pulley Wheel ItemTypeKeyword : idler-belt-pulleys Manufacturer : Aexit Material : Other ModelNumber : modle PartNumber : f190413ae075882 ProductDescription : Made of high quality aluminum. It is very useful in high-reduction drives in the occasion that need to improve the wrap-around capabilities of belts. Used widely in 3D printer, CNC engine lathe, gear shaper, hobbing machine, drilling machine or other machinery transmission occassions. ProductSiteLaunchDate : 2019-01-04T08:05:40.300Z UnitCount : 1