DescriptionAre you looking for a professional, yet affordable timing belt idler pulley? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional timing belt idler pulley must meet you needs. It is one of the best choices for you.Features- Color: Silver. - Material: Aluminum. - Size: 2.75 x 1.58 x 1.58 cm. - 2GT Timing Belt Pulley with 5mm bore , 20 Teeth. - Each of the two sides of the wheels were mounted bearings - Perfect choice for building a 3D printer or similar projects - 2GT Aluminum timing pulley has shiny surface appearance and robust construction, longer working life. - They are good replacement parts for old or broken 3D printer belt pulley.