Our small and efficient DAN-FENDER hand-pump works very well for inflating smaller fenders and buoys or if you need to inflate extra air during the season. The hand-pump is supplied with a spare inflation-needle. With a length of only 22cm the DAN-FENDER hand-pump is practical to have onboard and can easily be stowed away on any boat size.For the larger fenders & buoys and for larger quantities, we recommend to inflate using an air-compressor with an air-pistol.Never over-inflate fenders & buoys, it will only deform and weaken the products and so reduce usable life time! At all times, only inflate the products within the designed measurements.The right way to inflate you DAN-FENDER product: