Ajax Scientific ME410-0050S Plastic Loose Pulley 50mm Diameter 4mm Center Hole Diameter Pack of 10

The Ajax Scientific ME410-0050S plastic pulley has a 50mm outside diameter (OD) and fits tightly on a 4mm OD shaft for use in science experiments and equipment. The V-groove pulley is made of plastic for light weight and comes in a package of 10 pulleys. Ajax Scientific distributes scientific equipment, supplies, and instruments for industrial, research, and educational applications. The company, founded in 1984, is headquartered in Toronto, ON, Canada.