Bosch MS1221 Horizontal Quick Clamp for 4412, 4410, 5412L, 4410L 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 MS1221 Horizontal Quick Clamp for 4412, 4410, 5412L, 4410L Features: Miter Saw Attachments Not for use as crown stop Part Number MS1221 Sales Pack Quantity 1 Engineering Number 2610920589