Features 1、Versatile: This guide helps you guide the wood while sawing and safely and easily take inventory on planers, molding machines, table saws or wood pickers. 2、Easy to Use: The limit block of the parallel track can be adjusted by loosening the large screw and then the small screw, so that the limit block can be adjusted left and right. 3、Aluminum Alloy Material: The fixed guide of circular saw is made of aluminum alloy material, which is wear resistant and durable and will not get dirty or fade. 4、Clear Scale: The accurately machined drill guide kit is designed with a accuracy scale on the body that can be adjusted to the thickness of the plate. 5、Reasonable Design: The back plate is smooth without jamming to improve your work efficiency, and the locking design can fix the slicing distance with one key to reduce operation errors. Specification Item Type: Parallel Guide Rail System Material: Aluminum alloy Guide Rail: Approx. 300mm / 11.8in / piece Guide Rail Clamp Angle: 90° Package List 8 x Guide Rail 2 x Slider 4 x Limiter 6 x Sliding Block 2 x Connecting Plate 2 x Wrench 16 x Screw 4 x Plug 4 x Nut 4 x Gasket