Description
Ronsta Knives Utility Blades 18MM – product details
Commercial cutting tool or blade for warehouse, packaging, workshop and maintenance tasks. Sharp, strong, and versatile – Ronsta 18MM Utility Blades deliver precise cuts for packaging, caulking, and cardboard. Fits multiple retractable knives, packed in tens for convenient, reliable use.
Key customer details
- Product: Ronsta Knives Utility Blades 18MM
- Minimum Order Qty: One
- Unit of Measure: Pack
- Colour: Silver
- Brand: Pro Choice
- Google product category: Office Supplies
Review the full specifications, size or pack options, compatibility, application guidance and ordering notes below before choosing this product. Rifft Safety supplies workplace safety products across New Zealand.
Ronsta Knives Utility Blades 18MM KB004-10 are strong, universal replacement blades designed for 9mm retractable knives. Made from SK-5 Japanese Steel, they deliver sharp, long-lasting performance.
Key Features
- Fits several Ronsta Knives, including KU004 and KU005
- Made from durable SK-5 Japanese Steel for lasting sharpness
- Supplied in a convenient tube of 10 blades
- Universal design fits most 9mm retractable knives on the market
Applications
- Cutting packaging materials safely and efficiently
- Trimming caulking with precision for clean finishes
- Slicing cardboard for accurate and controlled results
Recommended Pairings
- Ronsta Knives Manual Retractable Knife with Screw Lock 18mm (KU002): Designed for these blades, offering secure blade extension.
- Ronsta Knives Manual Retractable Knife with Slide Lock 18mm (KU003): Provides quick and easy blade adjustment.
For detailed product specifications, features, and safety standards, download the full datasheet here: Product Information Card.
Ronsta Knives Utility Blades 18MM KB004-10 provide reliable, precise, and versatile cutting performance. Perfect for professionals and DIY users needing durable, universal blades.

