Grease stick is a tallow based lubricant generally used on set-up wheels to help prevent loading of the abrasive. Not recommended for use on coated abrasives. Tubes are approximately 2.5" diameter by 9" tall and have an average weight of 2.0 pounds. Case quantities are 9 and 25. Belt grease is a petroleum based anti-loading lubricant for coated abrasives. Intended for use on belts and other coated abrasives to prevent clogging or glazing of the abrasive media.