These box section roof mounts are ideal for netting off flat roofs. The mounts are non piercing, they are simply placed on the roof, pre-drilled making it easy for the running of wire rope. FeaturesFree-standing, non-piercing roof mount used for flat roof netting frameworks.Available in 0.5m & 1m lightweight, durable box section 316 stainless steel.The mount is held in place using the wire rope netting perimeter framework.8mm diameter hole in each face at top of mount accepts an M5 barrel strainer hook.Ideal for situations where the roof membrane cant be pierced with mechanical fixings.