* They are pre-drilled, equipped with screws and drill bits for easy installation and use, swing hooks have bearing devices, and latch mechanisms for easy suspension of the system in almost uninterrupted motion. * is suitable for many children, indoor and outdoor swing accessories, hammock, hang a hammock chair hardware equipment, swing, benches, yoga, hammock, porch swing spring, gymnastics equipment, swing seat belts, infants and young children barrel swings, the bird's nest, nets, chrysalis, EZ wooden frame support, floating yoga sling upside down, climbing a ladder or boat chair, chair, air track, tray, beans, gear rack, door hook,Spin hook, or other fixed swing.Swing frame or seat swing frame, also have commercial suspension swing frame, ring swing frame, super wheel swing frame. * The working load is limited to 1000 LBS, but the actual weight that can be carried by the swing depends on the size and weight capacity of the beam on which the swing is suspended.Make sure the beam size and support are correct before installation.