Torque Wrench, Adj. Click Type, U.S., Fixed Ratchet, 50-250 ft. lb., 1/2" drive

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Description: 
Tougher for Longer Life Cycle
• Hour Glass Shaped Cam – less friction reduces wear. Retains lubricant where it is needed.
• Thrust Bearing (as opposed to thrust washer) – resists wear for longer life.
• “Gorilla-Proof” Positive Stop – prevents accidental disassembly when dialing down to the lowest setting prior to storage, even when attempted by the most brutish user. (Caution: Do not wind below lowest scale mark)
• Larger, Tougher Load Screw – helps prevent damage due to impact.
• High Strength, Sealed Head – is the longest lasting ratchet head we've ever made.
• 36 tooth engagement is at 10° allowing torquing in confined areas.
• Long Handle provides more leverage.
• ASME specifications, traceable to N.I.S.T. at no charge.
Additional Features: 

• The QD Series of click-type Torque Instruments feature an innovative design that provides consistently accurate readings and rugged, troublefree performance.
• Certificate of Calibration. A Certificate of Calibration is packed with every QD Series Torque Instrument. Actual certification readings and individual instrument serial number are included. Each torque instrument, as calibrated at the factory, is certified to meet the accuracy specified in ANSI B107.14M-1994 and was calibrated on a torque standard traceable to the National Institute of Standards Technology (NIST).
• Accuracy. All QD Series Torque Instruments are accurate to ±4% clockwise and ±6% counterclockwise from 20% of full scale to full scale.
• Long Life Ratchet Head. QD Series Torque Instruments feature the Snap-on® High Strength Sealed Ratchet Head. Sealed ratchet heads keep out dirt and moisture while being virtually maintenance free. U.S. Patent 4,934,220 applies to all QD Series Ratchet Head Models. U.S. Patent 6,125,722 applies to 1/4", 3/8" and 1/2" drive Ratchet Head Models only.
• Minimal Friction "Hour Glass" Cam. Retains and releases lubricant where needed to reduce friction.
• Laser Marked Scale. Easier reading with varying light sources.
• Positive Stop. Instrument can not be accidentally disassembled if wound down past scale.
• Long-Term Protection. Each instrument includes a storage case.