Reinforced 4mm Spring Design: Features a thick 4mm spring for enhanced fatigue resistance and prolonged Life, ensuring consistent clamping force over time Strong A Shaped Spring Clamps: Made from high strength PA6 nylon, these heavy duty spring clamps durability and toughness for long lasting use in woodworking and projects Water Resistant Construction: High PA6 nylon Component withstands humid environments, making these clamps ideal for workshops and outdoor projects Ergonomic Not Slip Handles: Color coated handles comfortable, sweat proof grip with 1 handed operate for efficiency during woodworking or crafting tasks Flexible Rubber Jaw Pad: Soft rubber tips adapt to various angles, providing secure grip while protecting workpiece surfaces from scratches and damage, Manufacturer: Tsophreniq