Du-Bro Wrench Clip \(4 way Socket Wrench\) Part No: 810. Our 4-Way Socket Wrench offers modelers a quality socket wrench at an affordable price. Available in two sizes \(standard and XL\) our wrench will accommodate both American and Metric sizes \(5/16", 3/8", 7/16", 1/2", 8mm, 10mm, 11mm, 12mm\). Also features 3 built-in glo-plug holders and special retaining clip. Storage Klip - Mounts securely to field box keeping 4-way wrench readily accessible. \(Storage Klip and mounting screws come complete with 4-Way Wrench\). 1/pkg.