Features:_x000D_ _x000D_ Made of premium aluminum alloy material, high strength, durable in use. _x000D_ Ideal for shop built tables for routers, band saws, drill presses and more. _x000D_ The T-bar slides smoothly into the miter track or miter T slot on your table saw, band saw or shaper _x000D_ Use the T-bar to build all types of jigs, fixtures or sliding sleds for your shop. _x000D_ Solid, durable extruded anodized aluminum maximizes T-track efficacy, machining and accuracy. _x000D_ _x000D_ Specification:_x000D_ Material: Aluminum alloy_x000D_ Treatment: surface anodizing_x000D_ Model: 300mm/11.8in, 400mm/15.7in, 500mm/19.7in (Optional)_x000D_ Fixed hole number: _x000D_ 300mm: 2pcs_x000D_ 400mm: 3pcs_x000D_ 500mm: 3pcs_x000D_ Fixed hole spacing (mm):_x000D_ 300mm:220_x000D_ 500mm:160_x000D_ 600mm:210_x000D_ Number of screws: _x000D_ 300mm: 3pcs_x000D_ 400mm: 4pcs _x000D_ 500mm: 4pcs_x000D_ _x000D_ Package List:_x000D_ 1 x Slide Slab with Stainless Steel Screws_x000D_ _x000D_ Note: _x000D_ Cooperate with T screw special slot (M6 or M8 special T screw) does not contain, need to buy separately.