ROBUM Aluminum LED Light Clamp - Accurate fit and secure hold: Before purchasing, measure your pipe diameter to ensure the clamp matches your roller or bumper. Suitable for tubes from 20 mm to 38 mm (0.78 in to 1.50 in) for a precise, secure fit without drilling. - ROBUM aluminum construction: Lightweight bracket built from solid aluminum components for strength, durability, and corrosion resistance. - Adjustable clamp: Adjustable to fit 20-38 mm diameter tubes, enabling easy setup and reliable mounting in a variety of configurations. - Easy installation: Mount with screws; no drilling required. Designed for quick, dependable installation of LED lighting or accessories. - Use scenarios: 1) Mount an LED light bar on ATVs, trucks, or trailers to improve visibility. 2) Secure a roller or bumper to a tubular frame in mechanical or industrial setups. 3) Attach auxiliary lighting along a rail or framework on boats, trailers, or workshop equipment. - Performance: Provides a firm, vibration-resistant hold in outdoor and work environments.