DUB-701 4-Way Socket Wrench PDF Print $9.15 SKU: DUB-701 DUB-701 4-Way Socket Wrench Notify Me Add to Wishlist Add to Compare Back to: Du-Bro Products Description This is a 4-way wrench that is handy to have in any field box. It has four of the most popular sizes used in modeling: 5/16", 3/8", 7/16", and 1/2" and will also fit 8,10,11,12mm sizes.