Are you looking for a professional, yet synchronous wheel? Are you in search of a sturdy, trustworthy tool that can do multiple jobs? , ! Our synchronous wheel, made of aluminium alloy material, must meet you needs. It is one of the for you. Features -Color:Silver -Material: Aluminium alloy -Size: About 4.50X4.50X2.00cm/1.77X1.77X0.79inch - Premium aluminium alloy material, durable, wear resistant for long-term use. - Accurate transmission, without slipping at work, having a constant gear ratio. - The product designed with smooth transmission, a buffer, damping capacity, low noise. - High transmission efficiency, effect. - Widely used in milling machine, gear shaper, drilling machine, hobbing machine or other machinery transmission occasions. Package list: 1 x set of synchronous wheel