Description:  Aluminum Alloy External Dual-axis LGD12-500-1000L Linear Guide W/LGB12-60L 2UU LGB12-100L/140L 4UU Block Fit For CNC Machine.     Specifications:  Product Name: External Dual-axis Guide + Block.  Type:  LGD12-500L Guide.  LGD12-600L Guide.  LGD12-800L Guide.  LGD12-1000L Guide.  LGB12-60L-2Block.  LGB12-100L-4Block.  LBG12-140L-4Block.  Material: Aluminum alloy + chrome plated shaft.  Linear Type: Dual-axis linear guide.  Sliding Track: Linear guide rail.  Guide Length: 500/600/800/1000mm.  Quantity:  1 Pc x Guide.  Or 1 Pc x Block.     Features:  (1) Aluminum alloy material, the surface by anodic treatment, the-axis with chrome, corrosion resistant.  (2) The positioning precision is high.  (3) Heavy load, low noise, low friction, high speed, high accuracy and smooth.  (4) High speed movement and greatly reduced the power needed for driving.  (5) Can also withstand the load from up and down or other directions.  (6) Easily assembling and replacement.  (7) The lubrication simple structure.  (8) Low cost.  (9) Widely used in automation equipment, transportation system, automatic door rail, welding equipment, cutting equipment, painting equipment, etc.  (10) Using rolling element, such as balls or rollers between the rail and block, the linear guide can achieve high precision linear motion.     Package Included: (optional) 1 Pc x Guide.  Or 1 Pc x Block