101Leafy researched the game with the Hilltop Works fan translation patch, English translation by Cargodin
Sawdust 3オガクズ３
Sawdust 3 is item 44 of the game's item table, in the Items group. The script never names it.
Capable of breaking a seal stone
封印石を崩すことができる。
It never shows up on its own in a talk with a picture, so it has none here.
Item table: Sawdust 2 Sawdust 3 Supreme Motor
English translations by Cargodin for Hilltop Works Fan Translation Patch: https://www.patreon.com/hilltopworks/posts/kowloons-gate-160555525?collection=18503