A purposefully simple design, the mag is a workhorse drop throw-off with horizontal tension adjustment and smooth, easy-adjust action. It gets its name from a clever magnet that's integrated into the body of the throw-off, when the handle is in the up position, it won't release without a slight tug. It might be the most reliable and versatile strainer systems DW has ever built. Comes complete with gasket and all mounting hardware. Hole pattern also fits DW Delta throw-off.