Pilot has launched Acroball, "possibly the best performing ballpoint pen on the market" according to marketing manager Alex Sinclair.  Acroball is a superior retractable ballpoint pen with an advanced ink formula which is super smooth, quick drying, resistant to water, light, alcohol, acid, ammonia, bleach, acetone, oil . . . and more.  It's cheque safe and archive safe.  There are two barrel styles, each with 'tyre tread' comfort grip and medium tip.  Both are refillable with black, blue or red ink.