I've just seen this deal online.. not sure if it is store as well.. free delivery to store.. remember cashback
Amazon sell pack of 5 and 12 from different prices.. I only need 3
EuroOffice is selling them for £13.93 ex VAT
WHSmith: 3 Liquid ink rollerballs. Unique ink flow system ensures writing performance until the last drop of ink is used, A pen you can rely on. The world's favourite uni-ball pen for over 10 years. Fade resistant and waterproof ink which protects against cheque and document tampering. Colours as end of cap. Medium line.