Estone 2 Blade Nylon Propeller Prop Set 27 30 32 35mm P1.4 For Electric Nitro RC Boat This 2 blade fiber reinforced nylon propeller set is for RC boat There are 4 propellers in this set: P1.4x27mm,P1.4x30mm,P1.4x32mm,P1.4x35mm The pitch of the propellers are: 1.4 The shaft size for these propellers are: 3mm