SUNWAYFOTO brand Arca compatible 26mm QR Plate PT-26R. Precision CNC machined from solid aircraft-grade aluminum. Ideal for compact cameras. No Back stop. Mounting hole: 1/4-20″. Width: 38mm. Weight: 9.7g. Length 26mm. All metal construction with non-slip rubber pads. Includes allen wrench and 1/4" slot screw.