How Smart Wrench differentiates from other types of wrenches ►easy to operate ►6 ratchet wrenches in one ►clamps on and self tightens as the load is applied ►the only professional grade wrench that combines adjustable and ratcheting functions ►no gap between the bolt and the wrench; thereby eliminates fastener rounding ►extremely strong; exceeds ANSI, DIN, and federal torque specifications torque loads ►advanced ergonomics help professionals work faster, easier, and smarter than ever before ►safer option for turning broken bolts; a slipping adjustable wrench is dangerous and can also damage the fastener. Our products are suitable for the professional, whether you are in the automotive, construction, engineering, motorcycle, or a serious DIY enthusiast. Please take a moment to visit our website at http://www.allwrencher.com/smart-wrench/