Ivy Classic 11150 - Double Interlocking Retractable Knife

Built for tough, everyday cutting, the 11150 pairs a double-interlocking zinc body with a smooth multi-position slide for a rock-solid, wobble-free blade hold. The tool-free change system swaps blades in seconds, while the contoured, non-slip grip keeps your hand secure through long shifts—perfect for roofing, drywall, flooring, packaging, and general trades.

Key Features

• Double interlocking body clamps the blade on both sides for superior rigidity and safer cuts.
• Multi-position retractable slide lets you set the exact blade extension for the task.
• Tool-free blade change opens quickly for fast swaps—no small parts to lose.
• Heavy-duty metal construction resists jobsite drops, solvents, and grime.
• Contoured, non-slip handle improves control and reduces hand fatigue.
• Internal blade storage (where equipped) keeps spares on board for quick reloads.
• Compatible with standard trapezoid utility blades (hooked, heavy-duty, and general-purpose).
• Lanyard/loop point for easy tethering or pegboard storage.

Brand / Model: Ivy Classic 11150

Product Type: Heavy-duty retractable utility knife (double interlocking)

Weight: ~6–8 oz (tool only; approximate)

Dimensions: ~6.0–6.5 in L × 1.1–1.4 in W × 0.9–1.1 in H (approx.)

Material: Zinc die-cast body with steel interlock plates; stainless/steel internal hardware; textured non-slip grip panels

Finish / Color: Industrial metal body with contrasting grip (varies by batch)

Blade Compatibility: Standard trapezoid utility blades (general-purpose, heavy-duty, hooked)

Blade Positions: Multi-position slide with fully retracted storage position

Blade Change: Tool-free, quick-open mechanism

Blade Storage: Internal spare-blade storage (where equipped)

Locking System: Double interlocking body clamps blade on both sides for rigid hold

Safety Features: Positive detent slide; full retract for carry; lanyard/loop point for tethering

Cutting Applications: Roofing, drywall, flooring, packaging, foam/insulation, general trades

Ergonomics: Contoured, non-slip handle for grip and control; balanced, low-flex body

Care / Maintenance: Keep mechanism clean and lightly oiled; replace blades when dull or chipped; store retracted

Included: Knife body (blades sold separately unless noted by retailer)

Q: What blades does this knife accept?
A: Standard trapezoid utility blades (general-purpose, heavy-duty, and hooked); verify edge type for your material.

Q: How do I change the blade?
A: Use the tool-free quick-open mechanism, swap the blade, and ensure it’s fully seated before closing and locking the body.

Q: How secure is the blade during use?
A: The double interlocking body clamps the blade on both sides, and the multi-position slide locks with a positive detent for a rigid, wobble-free hold.

Q: Any tips for safe use and storage?
A: Retract the blade fully when not in use, tether via the lanyard point if working at height, keep the mechanism clean/lightly oiled, and replace dull or chipped blades promptly.