Klean Strip Transparent Clear Boiled Linseed Oil 1 gal. (Pack of 4)Klean Strip boiled linseed oil is both a thinner for oil based paints and a coating that creates a beautiful hand rubbed finish on fine wood and antiques. As a coating, Klean Strip boiled linseed oil helps bring out the attractive tones and grain patterns of natural wood penetrating, sealing and protecting unfinished wood surfaces against damage from watermarks, scratches and warping. As a thinner, Klean Strip boiled linseed oil improves the flow,