5 in 1 DESIGN: 1x Rowing boat air valve adapter + 5 x Standard Conventional Air Valve Attachment. 5 x Standards Conventional Air Valve Attachment can meet the inflation requirements of most equipment.With it, you don't need to buy other connectors. HIGH-QUALITY MATERIAL: Made of high-strength hard plastic and alloy materials, it has strong structure, high pressure resistance, strong sealing, anti-leakage, The alloy valve stem end provides strong seal leakage protection and long-lasting use. WIDE APPLICATION: The boat air valve adapter kit is suitable for most paddle boards, canoes, kayaks, assault boats, motor boats, flush pools, floating platoons, inflatable beds, etc. EASY CONVERSION QUICK INFLATION: Easy to inflate and deflate. The use is very simple, first select the appropriate connector according to the inflation interface. Then use a compressor or tire pump to easily reach the recommended PSI within 5-10 minutes. Lightweight and portable, easy to carry and store. No need to carry different types of inflatable tools. Reduce your burden.