Heißer Verkauf Beste Kupplung für RC Boot Auto Roboter Motor Welle Schraubenschlüssel Zubehör Messing
Side screw holes are unified as for M3. Each coupling is supplied with four screws. Material: brass. There are many kinds of joint couplers on sold. 2mm to 6mm. 4 x screws. 2mm to 5mm. 6mm to 6mm.