Product Description Product Features Adjustable Sizes: Choose from lengths of 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, or 500mm. Versatile Applications: Perfect for use with cutting machines, DIY CNC routers, laser machines, laser printers, and small CNC machines. Premium Quality: Crafted from high-quality metal with excellent workmanship, essential for linear motion tasks. Reliable Replacement: This original, premium-quality part is perfect for replacements and installations. Customer Support: If you encounter any issues, please contact our store. We are dedicated to serving you. Specifications Color Options: Black and Silver Available Sizes: 200mm, 250mm, 300mm, 350mm, 400mm, 450mm, 500mm Package Size 200mm: 26.5 x 11 x 7 cm / 10.4 x 4.3 x 2.75 in; 1KG / 2.2 lb 250mm: 31.5 x 11 x 7 cm / 12.4 x 4.3 x 2.75 in; 1.1KG / 2.4 lb 300mm: 36 x 11 x 7 cm / 14.1 x 4.3 x 2.75 in; 1.2KG / 2.6 lb 350mm: 41 x 11 x 7 cm / 16.1 x 4.3 x 2.75 in; 1.35KG / 2.97 lb 400mm: 46.5 x 11 x 7 cm / 18.3 x 4.3 x 2.75 in; 1.45KG / 3.2 lb 450mm: 51 x 11 x 7 cm / 20 x 4.3 x 2.75 in; 1.58KG / 3.5 lb 500mm: 56.5 x 11 x 7 cm / 22.2 x 4.3 x 2.75 in; 1.7KG / 3.7 lb Packing List 1 x Linear Guide Slide Module