The 220 PSI Gauge 3.5" is a replacement analog pressure gauge designed for use with standard floor pumps. Here are the key details:

Key Features:
- Replacement analog pressure gauge: Suitable for all standard floor pumps.
- High precision: Features an oversized 3.5-inch face for improved visibility and accurate readings.
- New internals: Allows for more precise pressure measurements for both low and high-pressure tires.
- Included components: Comes with glue and an O-ring for easy installation.
- Compatibility: Included on Lezyne CNC, Alloy, and Classic Floor Drives.

Specifications:
- Weight: 321.6g
- Dimensions:
  - Diameter: 92mm
  - Width: 92mm
  - Height: 42.8mm

The 220 PSI Gauge 3.5" is an essential tool for cyclists looking to maintain optimal tyre pressure with accuracy and ease.