Columbia Matrix Box Handle Size:Short 29" to 39" 8 mm thickness for added

8 mm thickness for added strength

this tool moves compound through the corner finisher allowing the corner finisher to feather the mud into the internal corner joint

Can this be used as an air return

Used in 90 degree internal angle joints

Springs not required

Columbia Matrix Box Handle Size:Short 29" to 39" 8 mm thickness for addedThe Columbia Matrix Flat Box Handle is lightweight and all mechanical. With a 90 degree grip, the Matrix gives you increased control over your box. These handles are durable and extremely long lasting, all while maintaining the comfort and ease of use that you're used to with the Columbia brand of tools. The Columbia Matrix mechanical flat box handle is made of all billet aluminum, ensuring a long life. Features Now available in 3 sizes! Fully