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.