[01103]
Square Steel Lampholder Cover
https://www.lampfix.co.uk/shop/01103-square-steel-lampholder-cover-22570
https://www.lampfix.co.uk/web/image/product.template/22570/image_1920?unique=1f56376
Has 10mm Outlet
Fits E27 Lampholder
45mm x 45mm x 60mm