RUIAN shaft collars useful in nearly every type of machinery and industry, such as holding bearings, sprockets, pulleys, or other shaft components in place.
Material: Cast iron, Zinc Plated
Bore: 1/4 inch
Outside diameter: 1/2 inch
Width:5/16 inch
Package Content:12pcs 1/4" Zinc Plated Shaft Collars;12pcs Set Screws;1pcs Allen Key