✕DO NOT FORCE THE FIT
- Not for the buyer starting from zero — that is the 19402, full stop, and this page says so at every turn because the storefront situation makes the error easy.
- Not a hand tool: tips presume the machine's speed and mount ⚑.
- Not for epoxy grout — thermoset resin is the boundary at every rung of this line, powered included; that removal is oscillating-tool and grinding territory.
- Not for other brands' regrout machines — no cross-compatibility claim exists, and none is invented here ⚑.
- And not a rescue for a machine that wanders on fresh tips — that is technique or a tired tool, and new carbide diagnoses it cheaply.