878-7837, RS PRO, RS PRO Steel 35 Teeth Spur Gear, 0.5 Module, 4mm Bore Diam, 17.5mm Pitch Diam, 9mm Hub Diam, Brand RS Pro, Module 0.5, Number Of Teeth 35, Material Steel RS PRO Steel 35 Teeth Spur Gear, 0.5 Module, 4mm Bore Diam, 17.5mm Pitch Diam, 9mm Hub Diam