Proto Micrometer Torque Wrench, Series: Modle CXCERT, 1/2 in Drive, 50 to 250 ft-lb, Ratcheting, Graduations: 1 ft-lb, 27-1/8 in Overall Length, CW/CCW, +/-3% CW, +/-6% CCW Accuracy, Audible Click Indicator, ASME B107.14, Steel, Full Polished

ITEM FEATURES:

• Calibrated to +/-3% in clockwise direction and +/-6% counter clockwise direction
• Calibration is accomplished by mechanical loading each wrench in a horizontal position and performing a three click test at 20%, 60% and 100% of maximum instrument capacity
• Certification documents traceable to NIST(National Institute of Standards and technology)
• This Proto torque wrench is made from high grade steel for strength and durability
• Positive locking mechanism to dial and lock in desired torque
• Thin head design to allow access in tight areas
• Calibrated To Plus or Minus 3% In Clockwise Direction And Plus Or Minus 6% In Counter Clockwise Direction
• For strength and durability