Features and Benefits Magnetic track with movable studs Strong Neodymium magnets Anodized aerospace aluminum base Backside is magnetized and eliminates toolbox slide Will hold fully loaded socket rails in any positionSet Includes:1 - MAGRAIL TL 12 long, RED, 15-3/8 studs1 - MAGRAIL TL 12 long, RED, 20-1/4 studs2 - MAGRAIL TL 12 long, BLUE, 20-1/4 studs2 - MAGRAIL TL 12 long, BLUE, 15-3/8 studs1 - MAGRAIL Bit Base holds 38 - 1/4 hex bits1 - 10 pack 1/4 Studs1 - 10 pack 3/8 Studs1 - 10 packMAGRAIL Rail Lifter