VEVOR Socket Organizer Rail Set, 3PCS Metric & SAE Aluminum Socket Organizers, 1/4'', 3/8'' & 1/2'' Heavy-Duty Socket Holder with 360° Rotating Clips for Tool Box, Hold up to 40 Sockets, Red & BlackAluminum RailConvenient AccessStrong Magnetic BaseDurable and SturdyVersatile UseCost EfficiencySmall: 16.25'' × 1.10'' × 0.74'' / 413 x 28 x 19 mm,Medium: 16.25'' × 1.10'' × 0.86'' / 413 x 28 x 22 mm,Materials: Aluminum + ABS + Rubber Magnet,Large: 16.25'' × 1.10'' × 1.02'' / 413 x 28 x 26 mm,Color: Red + Black,Item Model Number: QJ7368,Quantity: 3 pcs,Product Dimensions:,Net Weight: 1.64 lbs / 0.75 kg