Template Heating Technology III The heating technology template contains symbols for fittings in 3 common symbol sizes, DIN 2429 and DIN 2481 With ink dots Suitable for ink pen / ink filler 0.25, 0.35, and 0.5 mm as well as mechanical pencil 0.3, 0.5, and 0.7 mm Dimensions: 225 x 100 x 1 mm made of plastic