Speed & Access: Innovative design gives you the speed and extra productivity of ratcheting with the access and convenience of an open end wrench. Open-end ratcheting makes short work of tough jobs. Quickly ratchet nuts and bolts on or off without removing the wrench from the fastener. Only 5deg moves a fastener compared to 30deg for a standard box-end wrench, so youll get the job done more quickly. Productivity: Quickly ratchet nuts and bolts without removing the wrench from the fastener. Speed of ratcheting and easy access of an open-end wrench. Strength: Longer beam means greater leverage to maximize torque. Innovation: Patented tooth design provides ratcheting function. Surface Drive Plus: Provides a stronger grip on fasteners, allowing you to apply up to 25% more torque with less rounding. Overall Length (in): 7.008 Width Open End (in): 1.069 Thickness Open End (in): 0.303 Width Box End (In): 0.930 Thickness Box End (in): 0.339