1. EASY TO INSTALL & ADJUSTABLE DESIGN: toggle latch clamp are easy to install, just fix them with screws. The installation distance is adjustable, the maximum overall length is 4-1/8", and the lock-up range is from 3-1/2 to 4-1/8 inches long. Use them to keep two halves closed tightly or loosely as you like. Just adjust the bolt and you will get the maximum tightness. 2. MORE STURDY & ANTI-RUST: toggle clamp latch is made of premium metal plating zinc for corrosion resistance, and anti-rust. Works well for different temperature environments, indoor or outdoor. A soft plastic-covered handle makes you more secure and comfortable when using. 3. STRONGER HOLDING POWER: heavy duty toggle latches are made of the highest quality metal materials and advanced technology, and enough strength to hold 330lbs(150kg). Stronger than most 4001 latch in the market. Each clip holds amazing tension until it is released, perfectly suited to your different needs. 4. WIDELY USED: adjustable toggle latch perfectly fits the zer door, cabinet doors, garbage cans, table leaf, storage box, tool boxes, cases, smoker lid, sliding doors, trailer tailgates, etc. Our clamps are a great helper for you in making jigs, tool fixtures, work fixing, connecting moving parts, and tensioning two sections.