SET OF 12 STRONG SCREW CARABINER: Our set includes 12 stainless steel screw quick links. They all measure 4.2 x 2 cm. The internal length is 3.4 cm. With a thickness of 4 mm, they can support a maximum weight of 227 kg. These carabiners are only designed as attachment and cannot be used for climbing or heavy loads. SCREW CARABINER: These chain links can be quickly locked and attached to a wide range of attachment points. They can be operated with one hand because they open automatically after unscrewing them. Attach a sun visor using these clips. You can also install them on your hiking backpack to be able to attach your essential equipment such as water bottles. OUTDOOR USE: This set of stainless steel carabiners can be used for many outdoor activities. They are really functional when you have to go camping or traveling. Attach your flashlights inside your tent with these little carabiners. You can quickly detach it if you need it for other things. They can also be used to secure your fishing or hiking accessories to your backpack. INTERNAL USE: Use these safety carabiners to keep all your keys together. They will be excellent for school bags. Attach a snack bag to your children's backpack so they don't forget it. Our stainless steel carabiners are perfect accessories for your garage or workshop. Use them to hang your power or gardening tools. Use it to connect the chains together.