Stanley 10-778 Fatmax Retractable Utility Knife

Product Description

The STANLEY 10-778 is a retractable utility knife designed for trade and job-site use. The retractable blade mechanism allows the user to extend and secure the blade for cutting, then retract it safely when not in use. This type of knife is a standard tool across HVAC, plumbing, electrical, and general construction trades, used for cutting insulation, sheathing, duct board, flexible duct, wire jacketing, and a wide range of materials encountered on residential and commercial job sites. At 0.38 pounds, the 10-778 is a lightweight, easy-carry tool suited for belt or tool-bag carry throughout a full work shift.

This retractable utility knife fits the everyday cutting tasks that trade professionals encounter on any job. It is appropriate for residential and light commercial service work, new construction, and renovation. HVAC technicians reach for this style of knife when trimming duct wrap or cutting flex duct. Electricians use it for stripping wire jacket and cutting cable ties. Plumbers and general contractors keep a retractable knife on hand for cutting pipe wrap, caulk strips, and packaging. The FatMax design targets professionals who need a durable, reliable cutting tool that holds up to daily use.

Key Features

• Retractable blade for safe storage and transport between cuts
• FatMax construction targets professional job-site durability
• Lightweight at 0.38 pounds for all-day carry
• Compact form fits tool bags, pouches, and work belts
• Suitable for cutting insulation, duct board, wire jacketing, and general job-site materials

Compatibility

Designed as a general-purpose retractable utility knife compatible with standard utility knife blades used across HVAC, electrical, plumbing, and construction trades.

Installation Notes

A licensed or qualified tradesperson should follow all applicable job-site safety protocols when using cutting tools. Always retract the blade fully before setting the knife down or storing it. Inspect the blade before each use and replace dull or chipped blades promptly to avoid slipping during cuts. Keep the blade retracted whenever the knife is being transported or carried.

Technical Specifications

• Weight: 0.38 pounds
• UPC: 76174107784
• Unit of Measure: Each
• Minimum Order Quantity: 6

Standard Information

• Brand: STANLEY
• Manufacturer Part Number: 10-778