Philmore Anti-Static Radio TV Alignment Trimmer Tool Set Kit, 10 Pc Kit, 63-910 Philmore high quality 10pc trimmer tool kit Used to adjust resistor trimmers and variable capacitors in TVs, radios, CBs, HiFi, etc Includes the most common square tips, flat screw driver blades and recessed flat blades Manufactured from a durable non-conductive Celcon material Measures 4-1/2in in length