Product: Quick Release Clamp Buckle Replacement for Paddle Shaft Adjustable Material: Nylon, practical and durable Size and fit: Length approx 5 mm; Outer diameter approx 36.15 mm; Inner diameter approx 29.5 mm Compatibility: Suitable for diameterSUP propeller shafts with a diameter of 27 mm Function: Quick release clamp buckle replacement for adjustable paddle shafts, enabling easy attachment and secure hold Benefits: lightweight and reliable, simple installation, designed for use in wet environments, maintains quickrelease performance on 27 mm shafts Use scenarios: a worn or damaged quickrelease buckle on an adjustable SUP paddle shaft to restore fast release and secure connection Upgrade an existing paddle shaft setup to a quickrelease system for easier setup and packing on travel Keep as a spare part for maintenance of 27 mm diameter SUP propeller shafts to ensure ongoing reliability during trips and sessions