This heavy duty snap hook is an essential piece of hardware for anyone seeking to hang or connect hefty items. The screw lock is a vital feature which keeps the load secure and prevents accidental release of the snap hook. The snap hook is zinc-plated to ensure maximum rust resistance in any setting. Use it to hang keys, camping gear, lanterns, swing chains, potted plants etc. Or use it to clip and attach multiple items together. Whatever your need, this snap hook is a must!