Marking pen with protection cover, becomes automatically invisible after abt. 2-8 days, can only be supplied in violet, 155 mm long, 8 mm Ø. Not suitable for impregnated woolen cloth.

Marking pen, pink, vanishing time 1 - 2 days.

Revolving pen OMNICHROM, especially suitable to mark soft leather.

Special refill for revolving pens 6132, in boxes of each 12 pieces.

Yam tension meter, small, light, and handy. Lowest tension to be taken is 0.3 g. Space between guide rollers of 22 mm.

Yarn tension meter for checking yarn tension at winding, beaming, knitting, etc. Priceworthy instrument of solid design, and of high precision, deflection rollers on ball bearings, gauded dial.

Yarn tension meter, space between guide rollers of 38 mm.