hex: 1.5x4.5, 2x4.8, 2.5x5.3, 3x5.8, 4x6.5, 5x7.3, 6x8.2, 8x9.5, 10x11.3mm ⢠chroom-vanadium staal
hex: 1.8, 2.3mm ⢠chroom-vanadium staal