Any operation governed by a written safety program — the 42005 has no retraction and no exposure limit, which is precisely what an EHS policy exists to forbid; that building buys the self-retracting Switchblades (42060/42065) and this razor frame is the wrong tool by policy, not by preference.
Cutting that involves leverage, twisting, thick strapping under tension, wood, or drywall — the thin unbacked razor folds or snaps where the backed trapezoid 42020 thrives.
Precision film and wallpaper, where a slim renewable 9mm snap-off tip (42036/42045) is the instrument.
And brittle-sheet scoring (45730), a different physics entirely.
Asked at the counter
BUYER QUESTIONS ANSWERED BEFORE THE CART, NOT AFTER THE RETURN
What blade does it take?
A standard single-edge razor blade, held in the metal frame; one is included, and it changes without tools. The exact Hyde replacement-blade SKU is not among this line's members — confirm Hyde's SKU, or specify "standard single-edge razor blades" with fitment verified, before publishing a replacement recommendation.
Is it safe for a warehouse?
Not under a written safety policy — it has no retraction and no exposure limit, which is exactly what such policies forbid. A governed floor should use the self-retracting 42060/42065. The 42005 is right for the small, ungoverned counter or stockroom.
Why use this instead of a utility knife?
Cost and keenness for pure box work — a single-edge razor is sharper and cheaper per edge than any utility blade. The moment the job also needs leverage, thickness, or a retracting blade, the 42020 is the honest choice.
How should I store it between uses?
With the edge covered or in a designated tray — it does not close itself, so an exposed razor in a loose drawer is a hazard.
How do I dispose of used blades?
In a sharps container or blade bank — a spent single-edge razor is a serious sharp, never bin waste.