Features: brand new and high quality. Easy to install and disassembly, the installation can be completed without too much complicated steps. Made of high-quality aluminum alloy, which is sturdy, durable and well constructed. The limit block is adjustable, you can adjust it easily for your different needs. A complete set for you to use, you can use this set for your woodwork and daily use. The scale is clear and easy for you to read, the total length of the rail is 1200mm, and it consists of four parts: 0-300mm, 300-600mm, 600-900mm, 900-1200mm. You can join them according to your needs. This exclusive track saw track connector kit conveniently helps you to align your saws. Guide wood when sawing, and run inventory on planers, forming machines, table saws or wood pickers safely and conveniently. Specifications: Material: Aluminum Alloy Size: As the Picture Show Package Includes: 1x Parallel Guide Rail System note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.