Material: Aluminum Alloy

Color: Silver

Diameter: 4.1cm/1.61 Inch

Thinkness: 1.6cm/0.63 Inch

Step Dia: 2cm/0.79 Inch

Overall Size: 4.1x1.6x1.2cm/1.61x0.63x0.47 Inch ( OD x T x ID )

Aperture: 6mm 7mm 8mm 10mm 12mm

Weight: 28g

1 x V-shape Pulley Wheel