Columbia Matrix Box HandlesThe 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