0.5 mm stainless steel sides.
Diameter: 10 mm
Nickel-plated brass sheave with 8 stainless steel bearing balls.
Thickness: 2 mm
Diameter: 9 mm
Drilling: 2.0 mm
Ball-bearing pulleys are supplied lubricated. It is the user's responsibility to maintain lubrication, especially when the pulleys are used in damp environments.