I usually use these

http://www.screwfix.com/p/ring-autom...ion-lamp/31920

Last quite a while and take quite a beating, EXACT same as the Blue Point and Sealey ones just different badge and price tag

Got a Snap On one atm think it cost me £45+VAT and its shite!
http://buy1.snapon.com/catalog/item....re&dir=catalog

Shop around for the light i posted, i'm almost certain on the leaflet Peoples brought in today they had the same light on offer at £12.99