Make Installation Of Your Walk-in Steel Fruit And Vegetable Cage Even Easier - Especially In Particularly Hard Or Stony Soil - With Our Steel Ground Socket Driving Cap. The Cap Protects The Ground Socket As It Takes The Impact Of The Hammer And Only One Cap Is Required For Any Number Of Sockets - Theyre Pretty Tough!steel Ground Sockets And Driving Cap Suitable For Use With All Three Versions Of Our Steel Fruit Cages - Standard, Peaked And Domedmeasures 3.8cm In Diametermanufactured From Pre-galvanised Steelfootplates Must Be Used In Conjunction With Ground Sockets On Uneven Sitesonly One Driving Cap Required For Any Number Of Socketsnot Suitable For Use With Our Aluminium Cagesnot Sure How Many Footplates/sockets Youll Need For Your Chosen Size Of Cage? See Our Steel Fruit Cage Footplates And Sockets Guide For An Instant Answer.