Standard size roller ball refill by Hauser; fits roller ball pens which accept a standard size refill. Imprint on refill reads "HAUSER bill 707 SF". (Replacement for Pic, Schmidt 888 and many other refills.) The refill has a ceramic ball for smooth writing.

Refill is 4 3/8" (11.1 cm) long and 1/4" (.6 cm) in diameter.

Available with black ink only. Price is per refill.