Irwin VISE-GRIP Adjustable Wrench, 10" Tool Length, 1 1/4" Opening: * Smooth, easy-to-adjust mechanism simplifies use * SAE and metric scoring allows you to precisely size fasteners * Comfortable ProTouch grip helps reduce hand fatigue * Durable chrome vanadium steel ensures long-lasting performance * Wrench Type: Adjustable * SAE/Metric: SAE, Metric * Opening Size(s): 1 1/4" * 31mm * Opening Type: Adjustable