Precision adjustable decking spacers for consistent 3–12 mm board gaps — ergonomically shaped with four integrated adjustment levels for fast, accurate spacing on straight and diagonal laying patterns. Key benefits Accurate, repeatable spacing: four adjustment levels let you set joint widths from 3 to 12 mm without measuring each gap, saving time and preventing uneven boards. Faster, cleaner installs: ergonomic shape and positive alignment keep spacers in place while you fix boards, reducing rework and speeding progress. Weatherproof and durable: erosion-resistant surface resists outdoor exposure and maintains fit over time, designed to match the performance of pressure-treated woods. Better drainage and ventilation: spacers promote airflow and drainage under boards for improved longevity and reduced moisture buildup. Stable alignment control: built-in stabilization features hold boards steady during installation and provide consistent clamping distances for efficient project management. Broad material compatibility: suitable for pressure-treated wood and composite decking materials. How it solves common problems Eliminates guesswork: no constant measuring or uneven gaps; spacers deliver consistent, correct joints every time. Prevents moisture-related issues: better drainage and air circulation reduce trapped water and help boards dry faster. Reduces installation time: ergonomic design and preset gap levels allow quicker placement and fewer manual adjustments. Ensures professional-looking results: permanent alignment control keeps boards straight and evenly spaced across long runs and diagonal patterns. Technical and functional highlights Joint width range: 3–12 mm via four integrated adjustment positions. Shape: ergonomically contoured for easy handling and secure placement. Surface: erosion-resistant, suited to outdoor climate exposure. Compatibility: pressure-treated woods and composite decking materials. Functions: spacing, drainage promotion, board stabilization, and precise clamping distance control. Typical use scenarios 1. Backyard deck installation using pressure-treated boards in a straight layout — set the spacers to your required gap and walk the board run for consistent spacing and faster fastening. 2. Poolside decking with composite boards — use spacers to maintain drainage gaps and airflow around boards to reduce moisture retention from splashing and humidity. 3. Patio or garden path laid on framing with a diagonal pattern — the adjustable levels and ergonomic fit keep boards aligned and stable while you fasten corners and long runs. What makes this product stand out Four integrated, easy-to-select gap levels for exact joint control. Durable, weather-resistant finish formulated to perform with pressure-treated wood. Design that combines spacing, stabilization, and drainage in a single accessory to simplify outdoor flooring projects. Use tips Choose the adjustment level that matches your desired joint width (3–12 mm). Place spacers at regular intervals along the board length and at board ends to maintain uniform gaps. Allow for natural wood movement by selecting an appropriate gap based on local climate and board material. This spacer provides a practical, robust solution for achieving uniform, durable decking and patio surfaces with less measuring, faster installation, and improved long-term performance.