Dieffematic Automatic Entrances Innovative solutions for automatic entrances Screwdriver for calibration of compensators and trimmers Ceramic screwdriver accessory for calibration of compensators and trimmers. Unparalleled wear resistance. Extremely low thermal conductivity. Highly resistant to all strong acids (other than hydrofluoric). Solder and silver cannot stick to the surface. A combination of high-tech materials, 2 in 1, special zirconium ceramic double tips, anti-static handle. No electromagnetic induction, no loss of High Frequency eddy currents, 100% electrical insulation, 100% non-magnetic, 100% non-static. Zirconia ceramic tips, with protective caps. Flat screwdriver 0.9/1.8 x 15mm, length 155mm Contact usAdd to favouritesVisit the StoreSign up for the newsletter Via Circolare.