The male card has a slot and does not require cutting. The belt can be installed directly, and the female card is fixed with screws. For straps 1 to 1.3 inches wide, easy to install it is an perfect replacement for damaged or old cover latches. No one else can open the latch without the key, so it's safe for you. Use the belt to attach the sliding buckle to adjust the length you need. Suitable for spas, hot springs, hot tubs, sun stars and more. Used to replace damaged or missing valve cover latches to prevent potential wind damage. The hot tub cover latch lock set is made of high-quality plastic, which is durable, wear-resistant, strong and corrosion-resistant. High quality, recyclable, no need to worry about the door latch breaking. Colour:Black Material:Plastic Package Contents: 1 * hot tub cover clips Set (4pcs) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.