A must have for open water paddlers, it is a quick and effective way to empty water from your fully loaded kayak when far away from shore. Improved reinforced joints High volume double-action pump extracts 400ml (14oz) per pump Marine grade 316 stainless steel screws to reduce corrosion High visibility foam aids easy recovery and ensures positive bouyancy 46cm (18in) length is high enough to use for single and double touring kayaks For canoe use a hose can be attached to the outlet to reach over gunwhale Anodized aluminium shaft reduces wear and maintains smooth action of the pump