SUNWAYFOTO® brand Arca-Swiss compatible. 130mm QR Plate DP-813. for Video Cameras / Large Format Cameras. Precisely engineered / exact Arca Standard. Precision CNC machined from solid aircraft-grade aluminum. Width: 80mm. Weight: 151g. Length 130mm. All metal construction. Includes: allen wrench, 3/8" hex screw, 1/4" hex screw and 2 safety stop screws. Material: 6061T651.