A precision-engineered tool that is designed to be light, fast and smooth running. Built with durable anodized aluminum and stainless steel parts, sourced from the USA, that simply last longer. The Columbia Taper will hold up to many years of rugged use, and is backed by a 5. The Columbia Automatic Taper is a precision built tool that has been perfected over 40 years. From less drag in the corners to any easy to remove cap for cleaning, this tool will not let you down. It's iconic black corrosion-resistant finish paired with its seamless mudding and taping capabilities make this a complete game-changer in the drywall business.