Description Metal Universal Drive Shaft Coupling for Boat / Car / Heli / Robot etc. Suits shaft 3mm and 3mm (1pc) Metal universal drive shaft coupling comes complete with grub screws. I usually have in stock 2mm / 2mm 2mm / 2.3mm 2.3mm / 2.3mm 3mm / 2.3mm 3mm / 3mm 3mm / 3.175mm 3mm / 4mm 3mm / 5mm 3.175mm / 3.175mm 4mm / 3.175mm 4mm / 2.3mm 4mm / 3mm 4mm / 4mm 4mm / 5mm 4mm / 6mm 5mm / 5mm 5mm / 6mm 6mm / 6mm I am increasing my range of products for boats. Just ask if you cannot find what you are looking for please Pilot Pete
