18-1/2 in. (47cm) shock absorber only Lightweight user friendly design PVC shock pack with protected label Energy absorbing design limits fall arrest forces User friendly self locking snap hook at one end Built-in D-ring at one end Impact indicator. There are many things to consider when it comes to health and safety in construction. Construction sites constantly change as work progresses, so your fall protection solution must also be versatile. At the same time, contractors need to continually monitor productivity and costs, so construction safety products must also be comfortable, easy to use and economical. Whether you work on residential roofs or skyscrapers, you'll find the versatile, economical easy-to-use construction safety equipment you need with Protecta.