Size 0 PSP Plate (2pk) 31×22 mm (Air Techniques/Scan X) Size 1 PSP Plate (2pk) 40×24 mm (Air Techniques/Scan X) Size 2 PSP Plate (4pk) 41×31 mm (Air Techniques/Scan X) Size 3 PSP Plate (2pk) 54×27 mm (Air Techniques/Scan X)