Check the listing for details. VARIABLE ROLLER INDUCTOR COIL - HF POWER AMPLIFIER - ANTENNA TUNER QRO. Condition: Used. Listed at 179.00 USD. For sale is one variable roller inductor tank coil designed for large RF currents and high voltage Coil details: 86 mm long - 103 mm wide - 18 turns CuAg flat wire 2 mm x 5 mm - space between turns 2.4 mm If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my eBay store for more rare NOS tubes and parts.I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.