Socks are available for oily only, universal and general purpose applications. Color coded for easy identification Knit Socks absorb faster and perform with durability in the work place. The white(30/CS) and blue(20/CS) oil only sock absorb hydrocarbons such as oil, gas, kerosene, motor oil, toluene, or any chemical consisting of a hydrogen and carbon atom. The gray(30/CS) universal sock absorb chemicals including hydrofluoric acid and a wide range of other fluids including water, oil, solvents, ink, blood, caustics, acids, and more. The red(20/CS) general purpose sock is ideal for solvents, lubricants and cutting oils. 3” x 4'. Sold by the case.