Items Description 

Material: zinc alloy

Surface finish: electroplating

Size

Inner diameter: 19/32” (15mm) / outer diameter: 15/16”(23mm) / thick:  5/32”(4mm)

Inner diameter: 25/32” (20mm) / outer diameter: 1-3/16”(30mm) /  thick: 3/16”(5mm)

Inner diameter: 1” (25mm) / outer diameter: 1-3/8”(35mm) / thick: 3/16”(5mm)

Inner diameter: 1-1/4” (32mm) / outer diameter: 1-5/8”(42mm) /  thick: 3/16”(5mm)

Inner diameter: 1-1/2” (38mm) / outer diameter: 1-7/8”(48mm) /  thick: 3/16”(5mm)