The hammock set comes with an M8 carabiner and an M8 base plate with O-ring (L×W: 80×50 mm / Dia: 8 mm), stainless steel screws, and a wall anchor suitable for an H Mat hook. The drill bit you need is 8 mm. Hammock hooks can be attached to wooden structures, brick walls, wood, etc. for indoor/garden hammocks, and the included fasteners secure the base plate to the brick wall, regardless of vertical or horizontal ceiling for swings. Our hammock hook set is made of 304 stainless steel. And now we have also upgraded the screws to 304 stainless steel, suitable for mounting on solid walls, ceilings, floors, patios, B Umens, etc. Our hammock hooks can support the hanging project more. 800 lbs when properly installed (400 lbs per eyelet) making it a perfect addition to a child's bedroom or playroom. Enjoy a relaxing moment when you have a hammock in your bedroom, garden, patio, backyard... it's perfect for hanging your hammock chair, swing seat..., The hammock hook hanging set can also be used on brick garage walls using the included fasteners. Premium hammock hooks provide stronger support for indoor and outdoor use. Supports 800 lbs when properly installed (400 lbs per eyelet). Yoga hammock swing set for outdoor garden swing sets for adults/children/kids. For outdoor double hammocks in the garden or on the porch. Enjoy a relaxing moment with your family and friends at home