Bosch WD7LUB Worm Drive Lubricant Bosch Power Tools and Accessories is one of the divisions within the Robert Bosch Tool Corporation, which is one of the largest power tool and accessory manufacturers in the world. Bosch provides a complete line of corded and cordless power tools and accessories engineered to survive any jobsite and allow professionals to take control of their work. Bosch WD7LUB Worm Drive Lubricant Features: Worm Drive Lubricant Circular Saw Attachments Part Number WD7LUB Used on Model No. 1677M, 1678 Sales Pack Quantity 1