2Pcs EDC Small Tools Multifunctional Tool Card Wrench Portable Bottle Opener Key Chain

1. Multi-functional tool card design 
   - Material: Typically made of high-strength stainless steel, approximately 1.5-2mm thick, lightweight and durable (approximately 30-50g).  
   - Card form: Can be directly placed in a wallet, card case, or pocket, perfectly aligning with the EDC (everyday carry) concept.

2. **Core Tool Functions**  
Multi-size wrench holes: Integrated with multiple hexagonal holes (commonly used sizes 2-10mm), can serve as a simple wrench for tightening screws and nuts.  
Bottle opener: Edge-tooth design for easily opening beer bottle caps.
Screwdriver slots: Compatible with flathead/Phillips screws, for emergency repairs of electronics, furniture, etc.  
Ruler: Edge markings (centimetres/inches) for measuring small objects.  
Cutting hook: Sharp-angled design for cutting ropes or opening package seals. 

3. Portable expansion design
- Keyring hole: A circular hole is reserved at the top to thread a keyring, allowing it to be attached to a backpack, belt, or keychain.  
- Scratch-resistant treatment: Edges are finely polished to prevent skin irritation or wallet wear.  

Application scenarios
- Outdoor emergencies: Opening bottles or repairing equipment while camping.  
- Daily commuting: Opening packages, loosening screws, or measuring small objects.  
- Travel essential: Replaces bulky tools and easily passes through security checks.  
- Car emergency kit: Resolves minor issues during driving (e.g., tightening battery screws).