This BRAND NEW RL Drake L-7 Amplifier Set of 3 Plate Load & Band Knobs, are the original Fluted Daka-Ware Tuning Knobs, with a 2 inch Diameter Skirt and a brushed Aluminum Inlay. It will fit on a 1/4 inch shaft.This set of (3) main tuning knobs has (2) knobs with the pointer line for the Load and Band switch control and (1) knob with no white pointer line for the Plate tune control.These knobs are made from general purpose Phenolic, with a gloss finish, which is very durable. (not like molded plastic where one touch with the solder iron and it melts immediately!)If the knobs on your Drake L-7 are marked up, chipped and scratched, this knob set will make it look great again!These large knobs are used on MANY Amplifiers, Antenna Tuners, and other Amateur Radio Gear including the following brands:AmeritronAmp SupplyAmp International, Clegg, Dentron, Drake, Hallicrafters, Swan This is only a partial list and this Large Knob was used with Hundreds of radios and electronic gear. If you have a piece of gear with this type knob and only need a replacement inlay, I have them available in another listing.