Compound Applicators

The Columbia Inside 4 Wheel Corner Applicator is machined from solid aluminum billet. They are very accurate and their Delrin wheels glide along the wall. Offered in two and four-wheel designs.

Columbia Inside Corner Applicators are all machined from solid aluminum billet. They are very accurate and their Delrin wheels glide along the wall. Offered in two and four-wheel designs.

Columbia External 90 ° Applicators are all machined from solid aluminum billet and are used to apply joint compound to outside 90-degree angles.  Simply attach it to your compound tube, corner box or Mudrunner. They are very accurate and their Delrin...