Product details
Product Description
The ST-351 Fin Straightener by Super Stars is a practical HVAC service tool designed for cleaning and straightening bent fins in air conditioning condensers and evaporators. It helps restore proper airflow and improves system efficiency by aligning damaged coil fins.
This tool features a multi-size (6-in-1) comb design, making it compatible with various fin densities commonly found in HVAC systems. The durable plastic construction ensures safe operation without damaging delicate aluminum fins.
Lightweight and easy to use, the ST-351 is an essential maintenance tool for HVAC technicians performing coil cleaning and servicing in both residential and commercial systems.
Key Features
- 6-in-1 fin comb design for multiple fin sizes
- Straightens bent condenser and evaporator fins
- Improves airflow and system efficiency
- Durable plastic construction (safe for fins)
- Lightweight and easy to handle
- Suitable for HVAC cleaning and maintenance
Technical Specifications
- Model: ST-351
- Brand: Super Stars
- Tool Type: Fin Straightener / Fin Comb
- Material: Plastic
- Fin Sizes Supported: 8, 9, 10, 12, 14, 15 FPI (fins per inch)
- Design: Multi-size comb (6-in-1)
- Operation Type: Manual
Applications
- Air conditioner condenser cleaning
- Evaporator coil fin straightening
- HVAC maintenance and servicing
- Refrigeration system cleaning
- Restoring airflow in damaged coils
FAQ
Q1: What is the main use of ST-351?
It is used to straighten bent fins on AC condenser and evaporator coils.
Q2: Why is fin straightening important?
Bent fins block airflow and reduce cooling efficiency, so straightening restores performance.
Q3: What fin sizes does it support?
It supports 8–15 fins per inch (multiple sizes in one tool).
Q4: Is it safe for aluminum fins?
Yes, the plastic comb design prevents damage to delicate fins.
Q5: Is it suitable for professional use?
Yes, it is commonly used by HVAC technicians for maintenance work.






