Features 1、Made of premium aluminum alloy material, high strength, durable in use. 2、Ideal for shop built tables for routers, band saws, drill presses and more. 3、The T-bar slides smoothly into the miter track or miter T slot on your table saw, band saw or shaper 4、Use the T-bar to build all types of jigs, fixtures or sliding sleds for your shop. 5、Solid, durable extruded anodized aluminum maximizes T-track efficacy, machining and accuracy. Specification Features: Made of premium aluminum alloy material, high strength, durable in use. Ideal for shop built tables for routers, band saws, drill presses and more. The T-bar slides smoothly into the miter track or miter T slot on your table saw, band saw or shaper Use the T-bar to build all types of jigs, fixtures or sliding sleds for your shop. Solid, durable extruded anodized aluminum maximizes T-track efficacy, machining and accuracy. Specification: Material: Aluminum alloy Treatment: surface anodizing Size: 300mm/11.8in, 500mm/19.7in, 600mm/23.6in (Optional) Fixed hole number: 300mm: 2pcs; 500mm: 3pcs; 600mm: 4pcs Fixed hole spacing (mm): 300mm: 220 500mm: 210 600mm: 173-174-173 Number of screws: 300mm: 3pcs 500mm: 4pcs 600mm: 5pcs Package List: 1 x Slide Slab with Stainless Steel Screws Package List