McMaster 85555A316 Adjustable Ratcheting Torque Wrench with Certificate, 30–150 ft·lbf 40.7–203.3 N·m, 1 2" Square Drive 46MX78 Oxygen Operating Temperature Maximum Oxygen Operating Temperature Maximum 131 Degrees F Temperature Code T4 Operating Temperature Minimum 4 Degrees F Display Screen Type LCD Communication Protocol Bluetooth Includes Probe No Alert Type Light Take advantage of fast absorbing Hydroknit® technology with reinforced structure for performance and durability 4 N m Accuracy — Clockwise ±4% Accuracy — Counterclockwise ±6% Torque Limiting Mechanism Click Overall Length 19" Grip Material Rubber Material Chrome Plated Steel Certificate Calibration Certificate with Test Data Traceable to NIST (Paper) Container Type Plastic Case Head Style Standard Power Source Manual Country of Origin United States DFARS Compliance Specialty Metals COTS Exempt ECCN EAR99 Schedule B Number 846610 These wrenches come with a calibration certificate