Where to Use Use for installing netting to steel beams. Can also be used when installing netting to tiled roofs, use the clips for the edge of the tiles. Product Specification Stainless Steel. Available in sizes between 2mm and 20mm. 6.5mm hole in the clip for threading wire rope. Sold in Packs of 10. How to Install Bang onto the flange of the girders at 1m intervals for 75mm and 50mm netting and 0.5m intervals for 28mm and 19mm nets.