【360° ROTATION DESIGN】360° free rotation mounting hook with pull buckle that opens easily. Innovative and patented design. 【HIGH QUALITY, CORROSION PROTECTION】304 stainless steel rings made of high quality raw materials. No rust, corrosion resistance, high hardness. 【SAFE & STURDY】The commercial grade heavy duty swing hooks are designed for use by children and adults, and designed for residential use at a rating of 500kg, they are secure. 【EASY TO INSTALL】We have pre-drilled two holes for bolting to wooden beams or concrete. Including 2 concrete anchors and 2 hex bolts. Pre-drilled expansion screws for concrete application installed in just minutes. 【MULTIFUNCTION】Best used as a wall hook for sling trainer, suspension trainer, punching bag, gym, yoga, swing indoors or outdoors. Product Description Delivery 1 x 360° Ceiling Hook 2 x Concrete Anchors 2 x Hexagon Screws