DescriptionThis set of items is well made of premium material for durable and practical use. With and precise design, these linear shaft brackets are widely used in in home appliances, industrial, and high electric motors, construction machinery,motive components, pumps, and machinery.Features-Color: Silver -Material: Aluminium Alloy -Size: Approx. 4.20X3.30X1.50cm / 1.65X1.30X0.59in -Note: the diameter of inner hole is 8mm. -Made of premium aluminum alloy material, corrosion resistance and long life.-The movement has the rolling of the steel ball to reduce the friction, to achieve smooth movement and reduce the impact and vibration.-There is no requirement to particularly complicated operations, this tool can be installed in simple way.-The clever design ensures its popularity in 3D printer accessories. -Widely used for digital 3D coordinate measuring equipment such as precision equipment or special machinery industry.