Inflatable boat Launch wheel spacers - 25mm(pack of 8). To be used to float above abstacles; drain bungs or stepped recessed transoms(most aluminium Ribs) . Whilst these have been specifically engineered for Beechmaster style wheels to take 6mm bolts they can be used on any style of launch wheel. Obviously one will need to purchase longer s/s bolts - please call us for these. We sell these spacers individually for £1.75 each or pack of 8 for £13.75(as above). Postage £1.25(economy).