Part of our hefty cable management product listing, the 8 Way Earth Block is part of our earthing products and comes in different quantities on your right.\r\nThe wholes are a great size and will handle a 16mm cable which is all that is needed for work in domestic homes.\r\nIn fact the 2 outer holes will accept 2 by 10mm cables each, based on tower earth cables.\r\nA minimum 1 year guarantee is available on this product like all products online at Electricals 24/7 with a hassle free 30 days return policy, too.\r\nNot what you were looking for? Search our whole website for other products at great prices.