Replacement walking pole lock designed to restore secure, adjustable length control to your trekking poles. Built from high-quality plastic for dependable performance in a variety of outdoor conditions. Key benefits Durable construction: High-quality plastic resists wear and delivers long-lasting performance so your pole sections stay locked under repeated use. Adjustable length and stability: The lock lets you set and hold the desired shaft length for better balance and reduced fatigue on uneven terrain. Precise compatibility: Available in three sizes—14 mm, 16 mm, or 18 mm—so you can match the lock to the inner/outer diameter of your walking or trekking pole. Versatile support: Works with hiking, backpacking, mountaineering and general walking poles to restore function after a worn or broken lock. What this solves Eliminates slipping sections: Replaces worn or damaged locks that allow pole sections to collapse under load. Restores adjustability: Returns quick, secure length adjustment so you can fine-tune pole height for different slopes and carrying loads. Extends pole life: A simple replacement lock is a cost-effective alternative to buying a new pole. Practical applications (examples) Mountain hiking: Set your pole length for steep ascents and lock securely to maintain stability when climbing. Multi-day backpacking: Re-adjust pole lengths for varied terrain and load weights to reduce joint strain over long miles. Snow or mixed-season trekking: Replace a failed lock to keep poles reliable when pushing through deep snow or soft ground. Specifications Material: High-quality plastic Sizes available: 14 mm, 16 mm, 18 mm (choose the size that matches your pole diameter) Function: Replacement locking mechanism for adjustable walking/trekking poles Notes Select the correct size for a proper fit. This product is a replacement lock only and is intended to restore the locking function of compatible walking poles.