INGCO Heavy-Duty Zinc Alloy Retractable Utility Knife – Precision SK5 Steel Blades, Retractable Blade Lock, Ergonomic Non-Slip Grip, and 6-Piece Blade Set Included (HUK6128)

Cutting through tough corrugated cardboard, carpet backing, heavy plastic sheeting, or vinyl flooring with standard plastic utility knives often leads to dangerous blade flexing, housing cracks, and imprecise cuts. Lightweight box cutters lack the structural body weight required to handle deep scoring passes, forcing users to exert excessive force that increases fatigue and slips. The INGCO HUK6128 Heavy-Duty Retractable Utility Knife is a professional-grade cutting tool engineered for robust material scoring, maximum user safety, and effortless blade changes. Constructed with a durable zinc alloy die-cast body, this utility knife delivers exceptional frame rigidity and balanced weight distribution for smooth, high-control cutting across demanding job sites and workshops.

The high cutting performance and reliability of this utility knife stem from its retractable blade mechanism and premium SK5 carbon steel trapezoidal blades. Equipped with 6 extra SK5 blades (61mm x 19mm standard size), it maintains a razor-sharp edge that resists dulling and snapping under heavy lateral pressure. Built with an ergonomic contoured grip to absorb hand pressure during long cutting sessions and a multi-position blade lock for safe pocket carry, the HUK6128 is an essential utility tool for warehouse teams, drywall installers, carpet layers, and general DIYers.

Key Features

• Heavy-Duty Zinc Alloy Body – Rigid metal housing resists impacts, drops, and heavy force without cracking or twisting during tough cuts.

• High-Grade SK5 Carbon Steel Blades – Includes 6 precision-ground SK5 blades (61mm x 19mm) that offer long-lasting sharpness and superior wear resistance.

• Multi-Position Retractable Mechanism – Allows smooth extend/retract control with variable depth settings and full blade concealment for safe carrying.

• Ergonomic Non-Slip Grip – Sculpted handle contours provide maximum palm support and anti-slip control during deep scoring passes.

• Standard Utility Blade Compatibility – Uses universal 61mm x 19mm trapezoidal utility replacement blades (INGCO HUKB61001) for easy sourcing.

• Compact & Balanced Design – Perfectly weighted body gives user precision guidance for straight-edge guided or freehand cutting tasks.

Technical Specifications

• Brand: INGCO

• Model: HUK6128

• Product Type: Heavy-Duty Retractable Utility Knife / Box Cutter

• Body Material: Die-Cast Zinc Alloy / Metal

• Blade Material: High-Carbon SK5 Alloy Steel

• Blade Size: 61 mm (Length) x 19 mm (Width)

• Included Blades: 6 Pieces Total (1 Installed + 5 Replacement SK5 Blades - HUKB61001)

• Retraction Mechanism: Multi-Stop Lock Switch

• Packaging Presentation: Packed by Double Blister

• Primary Target Materials: Corrugated cardboard, dry wall, carpet, linoleum, leather, plastic straps, shrink wrap, rubber hose, and rope

Ideal For

Warehouse staff, carpet installers, drywall contractors, package handlers, maintenance technicians, framers, and DIY enthusiasts needing a durable metal utility knife with high-sharpness SK5 blades.

Package Includes

• 1 x INGCO HUK6128 Zinc Alloy Retractable Utility Knife Unit

• 6 x 61mm x 19mm SK5 Replacement Blades (HUKB61001)