Asphalt Measuring Tool Design

I'm seeking detailed design drawings for a specialized hand tool used for measuring asphalt.

Key requirements include:
- Design of a hand tool specifically for measuring asphalt
- Should be ergonomically designed for ease of use
- Durable and suitable for outdoor conditions
- Accurate measurement capability

Ideal skills and experience:
- Proficiency in tool design, especially hand tools
- Experience with measuring instruments
- Knowledge of materials suitable for outdoor tools
- CAD design skills