Check the listing for details. Ceramic Alignment SCREWDRIVER Trim Pot Trimmer Driver, adjuster ENGINEER DA-51. Condition: New. Listed at 16.61 USD. Introducing the DA-51 high-quality Ceramic Alignment Screwdriver from ENGINEER® (Japan). This driver is designed for adjusting and trimming various types of trimpots & variable coils. It features different size slotted tips on each end... with 2 different diameters of hex shafts on either side for trimming hex core variable coils. Whether you are a professional or a DIY enthusiast, this driver is a must-have tool for your collection. Ceramic Alignment Screwdriver specially designed for ease of adjusting & setting trim pots in Electronic PCB circuits4-in-1 double-ended toolDifferent sized slotted tips on each end (0.9mm wide x 0.4mm thick ...& 1.8mm wide x 0.4mm thick)Different sized hex shafts on each end (2.0mm ...& 2.5mm across flats) - the shafts can be inserted to adjust hex socket type variable coilsmade from fine, durable zirconia ceramicNon Inductive and non conductive - ideal for high frequency trimming (will not interfere with the circuit being adjusted - unlike a metal tipped driver)Pen type design with protective caps & pocket clipmade in Japan (ROHS compliant)(also available to purchase is the >> ENGINEER DA-52 Ceramic Alignment Screwdriver