1Used for automated equipment, precision measuring equipment, and many other machines require precise linear motion. 2Precision manufacturing, high positioning accuracy, stable performance. 3Miniature linear rail sliding block, suitable for many small equipment. 4Sliding Block lubrication design, the lubricant can be easily placed in the fill port. 5Premium bearing steel material, wear resistance, high toughness and high hardness. Condition: 100% Brand New Item Type: Miniature Linear Rail Slide Block Material: Bearing Steel Size: Approx. 500mm / 19.7in Sliding Track: Linear Guide Slide Rail Width: Approx. 18mm / 0.7in Slide Block: 2 Role: Widely used in automated equipment, precision measuring equipment, and many other machines require precise linear motion. .w-e-text table td,.w-e-text table th,.wang-edit-text table td, .wang-edit-text table th{border: .5pt solid000;};.w-e-text table,.wang-edit-text table{border: 1px solid000important;}1 x Linear Rail2 x Slide Block