OLFA 18mm Heavy-Duty Snap-Off Blades LBB-50B — 50 Blades (400 Segments)

OLFA 18mm Heavy-Duty Ultra-Sharp Snap-Off Blades

Designed for demanding tasks, these 18mm blades blend high-grade Japanese tool steel with a double-honed edge. The result is a razor-sharp performance that helps you achieve clean, precise cuts on tough materials. While the edge is exceptionally sharp, it’s built to maintain integrity across multiple uses before refreshing with a snap.

The LBB-50B refill pack includes 50 replacement blades, yielding 400 sharp segments you can reveal with a quick snap. This design minimizes downtime on busy job sites, keeping your workflow efficient and steady.

Built for toughness and precision

Sharper than standard silver blades by about 25%, these blades deliver consistent edge density for smooth cuts. The edge stays stable, reducing snagging and producing crisp lines on drywall, roofing membranes, flooring underlayment, rubber, and other heavyweight substrates.

• Crafted from premium Japanese tool steel with a double-honed edge
• Contains 50 blades in the pack, totaling 400 segments for extended use
• Compatible with most 18mm utility knives; optimal results with OLFA 18mm handles
• Designed for heavy-duty materials and industrial applications

What’s in the box and practical usage

This refill set is built to minimize downtime. Replace dull edges quickly and safely, preserving momentum when tackling large-scale projects.

• Includes 50 replacement blades; each blade features 8 sharp segments (400 total)
• Edges refresh cleanly via simple snap-off for a fresh cutting edge
• Works with most 18mm knives; LB-5B, LB-10B, LB-50B, and LB/CP100 replacements available
• Ideal for drywall, roofing membranes, flooring materials, rubber, and other tough substrates

Why choose OLFA

OLFA remains the original inventor of the Snap-Off Knife, upholding a tradition of precision and durability. The 18mm line balances sharpness, edge life, and dependable performance for professional settings.