This is a 5 amp polished brass 3 pin socket. 

It is a Contour polished brass 5A three pin socket with a white insert. This socket is usually used for lighting. 

Type: Socket
Finish: Polished Brass
Style: Contour
Insert: White
Gang: 1
Sub-Type: 5A 3 Pin Socket

Optional next working day delivery upgrade available on orders placed before midday
Code: CB59W
Dimensions: 85Lx85Wx8H (mm)
£12.38 (inc. VAT)