Gearwrench Combination Wrenches Home › Gearwrench Tools › Gearwrench Combination Wrenches We currently do not have any products for this manufacturer. Please check back soon for new products... If you would like to place an order over the phone please call 800-242-4424 for immediate assistance. Thank you. Gearwrench combination ratcheting wrenches have improved box end strength, and Surface Drive technology prevents fastener rounding. The ratcheting box end needs as little as five degrees to move the fastener vs 30 for standard box end wrenches.