1Pcs Aluminum Alloy T Tracks With Scale Miter Woodworking Slider Woodworking Tools 400mm Features: This product is made of aluminum alloy material. It is durable and practical. The scale bar in the chute can be moved and used conveniently. Precise calibration, fine workmanship, practical, durable, long service life. Light weight, small size and beautiful design make your work easier. Mainly used for woodworking backing, is a general purpose push handle special purpose. Specifications: Condition: Condition: Material: Aluminum Alloy Specification Fixed number of holes (pcs) Length (mm) Fixed hole spacing (mm) Pore diameter (mm) Weight (g) 400mm T-slot Miter 3 400mm/15.7in 220mm/8.7in 5.2mm/0.2in 270g/9.5oz 500mm T-slot Miter 3 500mm/19.7in 160mm/6.3in 5.2mm/0.2in 400g/14.1oz 600mm T-slot Miter 4 600mm/23.6in 173-174-173mm/6.81-6.85-6.81in 5.2mm/0.2in 490g/17.3oz Package list 1: 1 * 400mm T-slot Miter 4 * Screws Or Package list 2: 1 * 500mm T-slot Miter 4 * Screws Or Package list 3: 1 * 600mm T-slot Miter 5 * Screws