Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Used for the design of linear motion products. Great for you to replace the damaged Ball Bearings Block.4.Adjustable Linear Slider Advantages:simple structure, easy installation, flexible adjustment of movement speed by screws,ideal for linear motion devices at low speed.5.Applied: Linear bearings are widely used in electronic equipment, tensile testing machines and digital three-dimensional coordinate measuring equipment and other precision equipment,and multi-axis machine tools,punch presses, tool grinders,automatic gas cutting machines, printers, card sorters,food packaging machines,industrial machinery sliding parts. Specifications:Material:Bearing steel and aluminumColor:Silver and BlackModel:SC16AJMounting screw: M5Suitable for shaft dia: 16mmSize:4.4x5x3.85cm/1.73x1.97x1.51inch(LxWxH)Weight:181g Package include:1 x Adjustable Linear Ball Bearing Block