Check the listing for details. Columbia Taping Tools Outside 90 Grooved Mud Head Applicator. Condition: New. Listed at 85.00 USD. Columbia Drywall Taping Tools Outside 90 Grooved Mud Head The Columbia Outside 90 Degree Mud Head has proportionate grooves give you a consistent mud distribution on the wall and speeds up the pre-filling process. Made out of UHMW, the strong durable design makes these Mud Heads the best on the market. Features: Quick release clipChanneled grooves for evenly dispersed mud and controlled flowLong lasting, durable and strongMachined using top quality Ultra High Molecular Weight materialsMade in CanadaAl's Taping Tools is the Largest Drywall Tool Store in the World! We are also a fully equipped automatic drywall tool service center with over 30 years in the industry. We service all major brands. All of our service techs are also fully trained in the operation of the tools that we sell and service. So if you are new to automatic drywall tools or have any questions please give us a call or send us a message. We are here to help. Al's Taping Tools & Spray Equipment815 Tower DriveMedina, MN 55340