Festool 491723 Trimming Circular Saw Speed Indicator For Eb / Ebq

The Festool 491723 Speed Indicator (Tachometer) is compatible with a wide range of Festool trimming and plunge-cut saws, specifically models within the EB and EBQ electronic series, including:
Plunge-Cut Saw:
TS 55 Series: TS 55 EBQ, TS 55 EQ, TS 55 REBQ, TS 55 REQ, TS 55 FEBQ, TS 55 FEQ models.
TS 75 Series: TS 75 EBQ , TS 75 EQ
Trimming saw :
CS 50 Series (PRECISIO):  CS 50 E, CS 50 EB