For applications where one needs to squeeze out glue and/or air bubbles for a consistent bond. This roller is shaped to apply maximum force with a natural one-handed grip. Contoured maple body, steel end caps, Delrin rub collars and a 3/4" diameter roller (3 1/4" long) with a steel core closely mated to the steel shaft. A top-quality roller. (Note: retailed for $47.50)