## 1. Metric Hole-Enlarging and Tube-Expanding Tool (Red, Long Version)
- Case: Red plastic toolbox
- Hole-enlarging sizes: 5, 6, 8, 10, 12, 14, 16 mm
- Tube-expanding sizes: 5, 6, 8, 10, 12, 14, 16 mm
- Net Weight: 1700g
- Accessories: Pipe cutter, hole-expanding jig, multi-size dies, mandrel assembly
## 2. Metric Hole-Expanding and Pipe-Expanding Tool (Blue Case)
- Case: Blue plastic toolbox
- Hole-Expanding Sizes: 6, 8, 10, 12, 14, 15mm
- Net Weight: 1700g
- Accessories: PVC pipe cutter, copper pipe cutter, main expander body, various positioning dies
## 3. Metric Pipe Expander (7-Piece Set)
- Case: Red plastic toolbox
- Expander Sizes: 3, 5, 6, 8, 10, 12, 14, 15, 16, 19 mm
- Expanding Sizes: 3, 5, 6, 8, 10, 12, 14, 15, 16 mm
- Net Weight: 1700g
- Features: The metric set with the most comprehensive range of sizes
## 4. Imperial Hole Expander and Tube Expander Set (10-Piece Set)
- Case: Red plastic toolbox
- Reaming Sizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 5/8, 3/4 inch
- Tube Expanding Sizes: 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4 inch
- Net Weight: 2,431 g
- Applications: Installation of foreign piping systems and British standard copper tubing for air conditioning
## 5. Premium Reaming Set (Black Case with Yellow Heads)
- Case: Black, reinforced toolbox
- Applicable hole diameters: 3, 5, 6, 8, 10, 12, 14, 15, 16, 19 mm
- Corresponding cup-type tube expanders: 3/5 mm, 6/8 mm, 10/12 mm, 14/16 mm
- Cutter range: 3–28 mm
- Total weight: 1.72 kg
- Advantages: Thickened construction for enhanced durability
