Feature: 1. This digital display torsion adapter can convert any ratchet wheel into an accurate torsion wrench 2. Possess sound and light alarm function and backlight function, convenient to operate at night or in places with insufficient light 3. Three working modes can be switched freely, including real‑time mode, peak mode, preset mode 4. There are four torsion units can be switched freely, contain kgf.cm, N.m, lbf.ft, lbf.in 5. Two‑way reading error, CW for ±2%, CCW is ±2.5%, can be used for CW and CCW rotation, improve work efficiency 6. A torsion monitoring instrument with a ratchet wrench, used for various tightening and disassembly control forces 7. Come with simple operating, portability, multi‑unit conversion, voice prompt, CW and CCW adjustment, etc. Widely used in industries such as automobiles, bicycles, and various mechanical maintenance Specification: Item Type: Digital Display Torsion Wrench Adapter Model: SNC-135 Minimum Graduation Value: 0.1N.m Maximum Operating Range: 13.5-135Nm Connector: 1/2in Torsion Accuracy: CW ±2%, CCW ±2.5% Adapter: 3/8in and 1/4in Shell Material: ABS flame retardant material Sensor Material: 40 chrome steel Adapter Material: Chrome vanadium steel Power Supply: 2xAA batteries (not included) How to Use: (see the manual for details) 1. Take out the product and install the battery 2. Turn on zero, adjust the unit you want 3. Connect the torsion wrench to the socket and can be used Size(LxW): Approx. 7.5 x 4.5cm / 3 x 1.8in. Package List: 1 x Digital Display Torsion Wrench Adapter2 x Adapter1 x User Manual1 x Storage Box