TEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — Ratchets & Wrenches product photo
TEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product viewTEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product viewTEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product viewTEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product viewTEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product viewTEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration — additional product view
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TEKTON 1/2 Inch Drive Electronic Torque Wrench | TRQ82123 | (30 - 300 ft-lb), Dual-Direction, 90-Tooth Flex Head, Certificate of Calibration

Brand: TEKTON

Availability set by the retailer

The TEKTON TRQ82123 is a 1/2-inch drive electronic torque wrench that measures a wide 30 to 300 ft-lb range in three selectable modes — torque only, angle only, or torque plus angle — so you can follow modern torque-to-yield and torque-angle fastener procedures with a single tool. Full-range torque calibration uses the ISO 6789 standard (which also meets and exceeds the ASME torque standard), and each wrench ships with a serialized certificate of calibration stating the actual accuracy, which is within ±2% for torque and ±1% for angle. The 90-tooth flex ratchet head uses a single half-moon pawl that keeps 8 teeth engaged with the gear at all times so it will not skip under stress, and the flex head pivots to reach fasteners in confined engine bays, suspension, and machinery. Operation is straightforward with large clearly-labeled buttons, a backlit LCD, and real-time sensory feedback through lights, beep patterns, and handle vibrations that confirm when target torque and angle are reached. The wrench works in both clockwise and counterclockwise directions and includes a 1/2-inch (F) to 3/8-inch (M) reducer, a protective case, and the certificate of calibration (batteries are not included). Brand: TEKTON; Model: TRQ82123; Drive Size: 1/2 inch; Torque Range: 30-300 ft-lb; Direction: Dual-Direction; Head Style: 90-Tooth Flex Ratchet (Square Drive); Measurement Modes: Torque, Angle, Torque + Angle; Accuracy: ±2% torque, ±1% angle; Calibration Standard: ISO 6789 (exceeds ASME); Color: Silver; Item Weight: 4.5 pounds; Included Components: Electronic torque wrench, 1/2 in. (F) to 3/8 in. (M) reducer, case, certificate of calibration; Rating: 4.9 out of 5 stars (32 ratings); ASIN: B0G31HHXQ9.

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Choosing Ratchets & Wrenches

How do I pick the right ratchet drive size?

Choose the drive size by the fastener size and torque you need — 1/4-inch for small fasteners and tight spaces, 3/8-inch for general automotive and mechanical work, and 1/2-inch for high-torque lug nuts and large bolts. A higher tooth count means a smaller swing arc, which is useful in confined areas.

When do I need a flex-head or swivel ratchet?

When fasteners sit at an angle or in recessed areas where a fixed-head ratchet cannot align. A flex or swivel head lets you keep the handle clear of obstructions while the socket stays on the fastener, improving access in tight engine bays and assemblies.