The open field, as a first choice. An offset earns its keep at the perimeter; across a wide-open floor a straight trowel of the right meter is the faster, flatter tool. Offset and straight are a pair on a big job, not rivals.
Square-notch work. A V is not a tile-floor bed; cementitious thinset on floors and large tile wants a square notch (19050/19070). The 19031's V geometry keeps it out of that trade whatever its size.
Any claim that needs a number. Until the row surfaces, this tool cannot be sold on a notch size, a blade dimension, or a specific covering — and this guide does not pretend otherwise.
For any offset V trowel, the fundamentals are the line's
spread at a consistent ~45°; comb straight ridges in one direction so they collapse cleanly and push air out the channel ends rather than trapping it in swirled loops; let the notch set the volume rather than leaning weight into the blade; and use the offset for exactly what it is built for — running the adhesive flat into corners and along base molding where a straight trowel can't reach. Keep the notch edge true, and wash the blade before the adhesive sets, because a crust in a V notch is a deformed meter. (All of this is format/profile-class technique; none of it depends on the unverified dimensions.)
Asked at the counter
BUYER QUESTIONS ANSWERED BEFORE THE CART, NOT AFTER THE RETURN
Why doesn't this page list the notch size?
Because Hyde's catalog row and product page for this exact SKU weren't found in the research packet. The store title's numbers are unverified, and we won't publish a fabricated spec. When the row surfaces, the meter goes here.
What can I count on?
Two class facts: it is an offset trowel (blade cranked to reach flat into corners and along base molding) with a V notch (a thin-film, thin-bodied-adhesive geometry).
How is it different from the 19030?
Same V family, but the 19030 is straight (open-field spreading) and the 19031 is offset (perimeter and corner spreading). That format difference holds regardless of the missing dimensions.
Should I buy this or the 19041 for an offset trowel?
If you need a documented offset with a known meter and a vinyl duty, the 19041. The 19031 is the offset-V option pending verification of its record.
Is it safe for tile?
As a V, it is a thin-film/mastic-class geometry, not a floor-thinset tool; keep floors and wet areas to the square-notch trowels.