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TLDR Review: Fastback Utility Knife 6-in-1

Item: Fastback Utility Knife 6-in-1
Author: ShopSavvy

By ShopSavvy Team

Published: January 29th, 2026

Pros

•Highly versatile and perfect for everyday carry (EDC), blending multiple tools into one compact package.
•Quick blade change mechanism makes swapping blades fast and hasslree.
•Builn screwdriver and bottle opener add valuable extra functionality beyond just a utility knife.
•Sturdy, lightweight, and easy to handle with no loose or wiggly parts, ensuring lonerm durability.
•Lock mechanism securely holds the blade both open and closed, enhancing safety during use.
•Lonasting and reliable pocket clip keeps the tool secure and accessible throughout the day.
•Includes a spare blade stored conveniently inside the handle, so you’re always prepared.
•Razoharp blade maintains effectiveness over time, making it highly practical.
•Trusted by users enough to buy multiple as backups, a sign of solid performance and dependability.
•Compact design fits comfortably in the pocket without being bulky or cumbersome.

Cons

•Lack of dedicated blade storage is a noticeable downside since some users value having extra blades on hand.
•The part holding the screwdriver tip can break after moderate use, impacting overall tool functionality.
•Some users experienced the screwdriver head breaking immediately or shortly after first use, limiting the multool capabilities.
•The sleeve holding the silver ball (part of the tool mechanism) may pop out easily and be lost, raising durability concerns.
•While the bottle opener feature exists, it is reportedly less often used compared to other tools.

Bottom Line

The FASTBACK UTIILY KNF 6IN1 by Milwaukee is a solid, lightweight, and versatile utility knife made for those who want multiple everyday tools packed into one convenient device. It’s especially great if you value quick blade changes, a reliable pocket clip, and practical extras like a screwdriver and bottle opener. However, if durability of the screwdriver and convenient blade storage are dealbreakers for you, be aware that this tool might require some minor DIY fixes or careful handling. Overall, it’s a dependable choice for daily utility use with a compact, user-friendly design. If you want more robust screwdriver durability or blade storage, you might want to explore other multi-tools—but for straightforward EDC utility, this one shines.