Lower end detector, 24 Volt A/C, detecting 2 ends, feelers stopping individually. red alarm housing of plastic, eyelets of hard ceramic.

Mini needle detector, 24 Volt working circuit, detects broken needles or loops, for circular looms.

Trick file, 110 x 20 mm

Lower end detector, as 3716/2, but closed guide stirrup, in order to eliminate entanglements in case of men made fibres, eyelets of hard ceramic.