60 Degree Safety cover -Large. The Large safety cover is 135mm wide and a depth of 155mm from the wall. 155mm Depth allows you to operate the tap not just cover it Ideal way to cover taps, Pipes and other large items near a pool fence and still comply with the regulation. The 60 degree Safety covers are made from very strong polycarbonate material, they are extremely durable and easy to install. They can be secured using the pre drilled holes or by using structural adhesives. . There are 2 more smaller sizes available for items that do not protrude as far.