What it does and why you need it Allows quick, secure paddle shaft length adjustment on most paddles with a 29 mm shaft. Keeps the shaft locked firmly in place during paddling so your setting won't slip in use or rough water. Tool, fast installation and removal make adjustments simple on the water or while packing for travel. Key features and benefits Adjustable fit: Designed for paddle shafts up to 29 mm diameter for a reliable, tight hold. Durable material: Made from longlasting PVC that stands up to wet conditions and regular use. Quickrelease button: Builtin pushup button fastener lets you open and close the clamp immediately without tools. Stable performance: 58 mm length provides solid clamping surface for dependable performance in diverse water conditions. Precise sizing: Measures approximately 58 × 27 × 29 mm — inner diameter 27 mm, bottom inner diameter 29 mm. Verify your paddle shaft size before . Practical applications (use scenarios) Kayaking: Finetune paddle length before a long day on the water to reduce fatigue and maintain efficient stroke mechanics. Shared gear or rentals: Quickly change paddle length between users without tools when swapping paddles on group trips or rental fleets. Travel and storage: Remove or loosen the clamp for compact packing, then reinstall in seconds at your destination. Compatibility and fit note Compatible with general paddle models featuring shaft diameters up to 29 mm. Because the inner diameter is 27 mm and the bottom is 29 mm, please measure your paddle shaft to ensure correct fit. Package and performance summary Single, 58 mm PVC shaft clamp with pushup button fastener for quick, secure adjustments. Simple, reliable, and built for regular use in varied water conditions.