According to Official Guinness Records,
The largest ball point pen measures 5.5 m (18 ft 0.53 in) long and weighs 37.23 kg (82.08 lb 1.24 oz). The pen was made by Acharya Makunuri Srinivasa (India) and was presented and measured in Hyderabad, India, on 24 April 2011. As per the guidelines, the pen “dispenses ink at its tip during use by the rolling action of a small metal sphere”. The pen is engraved with scenes from Indian mythology.
For a complete list of 2011 records, please visit 2011 Guinness Records in India.