- 3:1 gear ratio for 3X faster rewind
- High-capacity body holds up to a 3 oz chalk
- Stainless steel interlocking hook for joining lines
- Chalk line has 2X the tensile strength and lasts 2X as long
- Water-resistant, high-impact ABS case with rubber grips for durability and easy holding
- ChalkView case for the ability to see amount of chalk inside the case
- Sliding door for easy filling
