QB right-angle drivers are designed for industrial applications where rotary power must be transferred between two shafts at right-angles to each other.The range includes eight different sizes.2 o 3 outputs with shafts from 11 to 85 mm, through hollow shafts from 12 to 80 mm with splines from 4 to 22 mm, or hollow shafts with UNI 8953 NT grooved profile from 6x11x14 to 10x72x82. Five gear ratios (or speed multipliers) 1:1 - 1:1,5 - 1:2 - 1:3 - 1:4. Aluminium alloy casting manufactured in single piece or two pieces up to a maximum of three.