Specification: Name: Carpentry Parallel Track Material: aluminum alloy Color: red Size: as picture show Scope of application: woodworking How To Install The Guide Rail Joining Set 1. Screw the O-type screws on the short strip and the long strip respectively. 2. Connect the long cross screw, connecting plate and sliding block in turn. 3. Connect the scale strip with a short strip successively: 197-497mm / 497-797mm / 797-1097mm / 1097-1397mm, and then install the limit stop, stainless steel strip, blue plastic plug and stainless steel plug. 4. Fix the circular saw guide rail and parallel guide rail with short cross screws. 5. The other side is in the same order as above, and the splicing can be completed. Package Includes: 8 x Main body(2pcs each for 197-497mm/497-797mm/797-1097mm/1097-1397mm) 2 x 375mm Sliding strip 6 x 63mm Sliding strip 2 x 153mm Sliding strip 8 x M-1 6mm screws 4 x 17.8mm slider 2 x Link boards 2 x Blue plastic plugs 4 x Limit stops 2 x Plugs 1 x Wrench 1 x Cross screwdriver