Description: With high-quality material and advanced manufacturing technique, this slide guide has the merits of precise, smooth, wearproof, high hardness and low noise. The rail features strong bearing and small friction, which can improved working efficiency. The sliding block adopts a steel wire holder structure to effectively prevent steel balls from falling off. The installation procedures are as follow: Align the end of the rail with the sliding block, then use the guide rail to slowly push out the plastic guide rail, finally, let the plastic guide rail descends naturally until the sliding block is completely installed in the guide rail. The guide rail is made of stainless steel, and the sliding block is made of bearing steel, which is durable, strong, and wear-resistant. The length of the slide guides are 100mm, 200mm, 300mm, and the width is 12mm. The sliding block is 45.4mm long and 27mm wide. It is widely used in CNC, machining centers, electronics, automation machinery, textile machinery, automotive woodworking machinery, printing machinery, etc. Item Name: Guide Sliding Block Material:Stainless Steel,Bearing Steel Type: MGN12 Slide Guide, MGN12H Sliding Block Specification: Slide Guide: 1:100mm, 2: 200mm, 3: 300mm Size: 1: 10cmx2.7cmx2cm/3.94inx1.06inx0.79in 2: 20cmx2.7cmx2cm/7.87inx1.06inx0.79in 3: 30cmx2.7cmx2cm/11.81inx1.06inx0.79in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Do not remove the plastic slide guide in the slider in advance during installation, otherwise the steel balls in the slider may fall off during the assembly process and cannot be installed and used normally. Package Includes: 1 X Sliding Block 1 X Slide Guide