EASY TO INSTALL & ADJUSTABLE DESIGN:The 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. MORE STURDY & ANTI-RUST: The 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. STRONGER HOLDING POWER: The 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. WIDELY USED: The adjustable toggle latch