The product does what it’s supposed to do. Nothing extraordinary, but it performs its function well. Delivery was quick and smooth.
RIKEN Machine Reamer 3mm SP
Product Details
RIKEN SEIKO
RIKEN
Spiral Machine Reamer
3mm
SP
Cobalt High-Speed Steel
Unused Item
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.



