EVCO's 1/4 in. x 2-3/8 in. Hex-Drive Magnetic Bit Holder with C-Ring (MBHZ1/4) holder is built to withstand the rigors of frequent use. The addition of a C-ring provides extra stability, allowing for smoother operation and reducing the likelihood of slipping. This magnetic bit holder is ideal for both professionals and hobbyists who require reliable performance in their tools.