Features Suitable for all kinds of concrete and masonry substrate materials. Ideal for medium and lightweight applications. It may be beneficial to reduce drill diameter in soft materials. Specification Size (mm) - 7.5 x 30 Colour - Red To Fit Screw Gauge (imp.) - 6 - 10 To Fit Screw" (mm)- 3.5 - 5.0 Pack Qty 100 Pack Type - Box Material - Plastic Substrates - Concrete, Brick, Block Standard Equipment 1x Box of 100 Red Plastic Wall Plugs 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.