Angel Guard OBH6 The Original Bat Hook - 3 Pack Within seconds&#44; turns underutilized wood studs and beams into highly adaptable storage space. No need for either tools or fasteners. Firmly attaches at any angle to wood studs&#44; rafters and joists. Holds up to 40 pounds; grips the wood surface tighter as more load is attached. Made from high strength&#44; galvanized steel.