Hollow Wall Anchor Zinc Plated and Yellow Passivated Suitable for fixing in Hollow block, hollow floor slab, hollow brick, plasterboard for applications such as bathroom fixtures, kitchen fixtures, shelving brackets, ceiling fixture. Pre-assembled cavity fixing - Locks into base material allowing removal & refit of fixture with demountable screw Screw size M5 x 45mm Wall thickness 6-13mm Maximum fixture thickness 17mm Hole Diameter 10mm KINDLY REMINDER: Delivery to the UK Highlands, Channel Islands, Northern Ireland, Isle Of Wight, Isle Of Man and the following postal code areas: BT, FK, KA (1-30), PA(1-49), PA(60-78),PA80, PH, PH(11-40), PH(41-44), PH(49-50), AB, IV, KW, ZE, GY(1-10), JE(1-5), PO(30-41), IM, IR, HS are excluded from our standard delivery charge and may incur extra costs.