Product details Product Description The ST-02-L Ratchet Torque Wrench by Super Stars is a professional HVAC service tool designed for precise tightening of flare nuts in refrigeration and air conditioning systems. Engineered with a fixed torque mechanism, it ensures accurate torque application, preventing over-tightening and refrigerant leakage. This tool features a ratchet head design, allowing effortless operation even in narrow or confined spaces. The built-in audible click indication alerts the user when the preset torque is reached, ensuring consistent and safe connections. Constructed with a high-hardness body and carbon steel ratchet head, the ST-02-L offers durability and long service life. Its ergonomic, non-slip handle provides comfort and control, making it ideal for daily HVAC installation and servicing work. Key Features Fixed torque design with audible click indication Ratchet head for easy operation in tight spaces Suitable for R410A & R32 systems High hardness body for durability Carbon steel ratchet head Ergonomic non-slip handle Ensures accurate tightening and leak prevention Technical Specifications Model: ST-02-L Brand: Super Stars Tool Type: Ratchet Torque Wrench Torque Type: Fixed Torque with sound indication Applicable Refrigerants: R410A, R32 Applicable Use: Copper flare nut tightening Torque & Size Details 1/4″ (17mm): 18 N·m (±2 N·m), Length: 217 mm, Weight: 335 g 3/8″ (22mm): 38 N·m (±4 N·m), Length: 252 mm, Weight: 395 g 1/2″ (24–26mm): 55 N·m (±6 N·m), Length: 263 mm, Weight: 440 g 5/8″ (27–29mm): 75 N·m (±7 N·m), Length: 294 mm, Weight: 475 g Applications HVAC system installation Refrigerant copper pipe flare nut tightening R410A & R32 high-pressure systems Air conditioning servicing Professional field and workshop use FAQ Q1: What is the main purpose of this tool?It is used to tighten flare nuts with precise torque to prevent gas leakage. Q2: What makes it different from a normal wrench?It has a fixed torque mechanism with a click sound, ensuring accurate tightening. Q3: Can it be used in tight spaces?Yes, the ratchet head design allows easy use in confined areas. Q4: Is it suitable for modern refrigerants?Yes, it is designed for R410A and R32 systems. Q5: What sizes are available?It supports sizes from 1/4″ to 5/8″ with different torque settings. View More View Less
