Genu-Hit® GSKnee orthosis with mouldable lateral joint bars. ____________________________________________________________________ Sizes Measurement D in cm Measurement F in cm 1 up to 28 up to 38 2 up to 31 up to 41 3 up to 34 up to 44 4 up to 37 up to 47 5 up to 40 up to 50 6 up to 43 up to 53 7 up to 46 up to 56 Can be worn on the right and left. Cut: Measurement D: 14 cm below the knee joint space. Measurement F: 14 cm above the knee joint space.