Straight tower bolts can be used for securing flush fitting gates and shed doors in a closed position, though they have multiple applications. This is a durable tower bolt, which is suitable for use indoors and outdoors. Can be used to help enhance the security of your home and garden from external influences and also to prevent children and pets from exiting the property unsupervised. Easy to install. Finish is Hot Dipped Galvanised. Bolt diameter - 10mm. Bolt throw - 25mm. Bolt length - 4". Number of screw holes - 8. Staple keep size LxW - 39 x 25mm. Fixings not included.