Feature:1. Aluminum alloy material, with high strength and durability. Good corrosion resistance. Suitable for woodworking.2. Easy to use. Easy to install. Excellent for woodworking, fits standard T.3 guides. It can help you limit the length of the slide. You can easily and quickly attach the pen plate to the router table or table saw without the need for special clamping devices.4. It allows you to fill all your needs of moving jig and jig on routers, table saws and band saws.5. It can be used as many woodworking tools. It is suitable for type 45.6 T-track. The back of the tailoring ruler is sticky and can be directly pasted on the woodworking gutter. Specification: Material: Aluminum Alloy Type: Angle Bumper/T-slot Miter track Color: Red For: t-slot, t-tracks Size: 100mm/200mm/300mm/400mm/500mm/600mm Tailoring Ruler: 1m LengthPackage Included:1 x 45 x T-tracks Type 45 or 1x1m Tailoring RulerNote: The gutter does not include a tailor's ruler, the ruler needs to be purchased separately.