25 Metre 13 Amp Orange Outdoor Extension Cable on 'H' Frame with 2 Gang Rubberised Socket £3.78 (Item is £1.79 + £1.99 delivery although the delivery charge stays the same regardless of the number you order) Go Spares @ Amazon.
Heavy Duty and Robust
2 Gang socket with heavy duty
Carry Handle and Easy Coil Rewind
25 metre extension lead length
Hand resettable thermal over-temperature trip