25-2503 is a 25mm x 25mm metric 25 series square T-slot profile with three adjacent open T-slots, one on three 25mm faces. The profile is smooth, which makes it resistant to dirt and debris buildup while also being easy to clean. The 25-2503 profile is compatible with 25 series fasteners. The closed face on this profile provide a clean, aesthetic look while also having the capability to mount additional profiles, parts and accessories. 25 Series 8020 Modular Extrusion Guide Rail with three open t-slots to accommodate 25mm x 25mm based joining plates, brackets, and t slot accessories. High strength 6063-T6 aluminum with an anodized finish offers great flexibility and strength for your linear rail, track saw guide, linear motion guide, and many more applications. With superior quality control, you know you are getting the best t slot aluminum extrusions when you order 8020 aluminum extrusion. Deburred ends, clean cuts, and tight cut tolerances are guaranteed. This 80/20 aluminum extrusion profile is a good linear motion material and allows adjustable placement of all components. It is unique in that it has three closed faces, offering a clean aesthetic to your project. Applications include automation equipment, professional 3D printer, workbenches, lasers, stands, furniture, machinery, fitness equipment, precision printers, guarding, woodworking and t tracks. ASIN B0C75L66TM Color Black Anodize Material Aluminum Item Form Stick Brand Name 80/20 Item Shape Sqaure Item Weight 4 Pounds Part Number 25-2503-Parent Manufacturer 80/20 Inc. Item Dimensions 72.05 x 0.98 x 0.98 inches Number of Items 1