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【Unused Item】HEIZO Spiral Step Drill Bit SI-N422
Product Details
This is an unused item.
Spiral step drill with 10 hole diameters. Compatible with aluminum, plastic, and wood.
- Brand: HEIZO
- Model Name: SI-N422
- Number of Steps: 10
- Hole Diameter: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22mm
- Compatible Materials: Thin iron plates, aluminum, plastic, wood
Thank you for looking.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
