Here are the descriptions for the 3/8" Air Butterfly Impact Wrench models DB-I-30 and DB-I-32: DB-I-30 3/8" Air Butterfly Impact Wrench - Type: Air-operated, Butterfly Handle - Drive Size: 3/8" Square Drive - Torque Range: Typically 25-80 ft-lbs (specific torque may vary by model variant) - Maximum Speed: Up to 10,000 RPM - Weight: Approx. 2.5-3 lbs (varies by model) - Features: - Compact, lightweight design for ease of use in tight spaces - Durable construction for heavy-duty use - Easy-to-use butterfly-style throttle for smooth operation - Reverse/forward control switch - Ideal for automotive repair, assembly, and maintenance tasks - High power-to-weight ratio DB-I-32 3/8" Air Butterfly Impact Wrench - Type: Air-powered, Butterfly Handle - Drive Size: 3/8" Square Drive - Torque Range: Typically 30-100 ft-lbs (specific torque may vary by model variant) - Maximum Speed: Up to 10,000 RPM - Weight: Approx. 3-3.5 lbs (varies by model) - Features: - Ergonomically designed to reduce user fatigue during prolonged use - Offers high torque output for tough applications - Butterfly throttle for precise control of speed - Reverse/forward switch to change rotation direction easily - Built for durability and reliability in harsh working conditions - Suitable for mechanics, automotive repair, and industrial use Both models are commonly used for various fastening and unfastening tasks, especially in automotive and industrial environments, where a combination of lightweight design, power, and control is essential. The primary difference between DB-I-30 and DB-I-32 could be in the specific torque range and slight variations in weight or design for the respective tasks. If you need more specific details about these models, including torque specifications or exact features, I would suggest checking the manufacturer’s manual or data sheet.