These are MAIN and SUB knobs for use with ELECRAFT K3 high performance HF/6m transceiver. They are custom made of heavy bronze billet material, which went thru many and many machining operations ... till what you see on the photograph...
Face of the main knob is shaped with laser engraved insert - microsurface impact ABS plastic - a kind of material flexible and extremely durable, with excellent exterior properties including resistance to water, solvents, abrasion and extreme temperature.
Precisely crafted for smooth & pleasant moving and tuning.
Satisfaction is 100% guaranteed.
30 days money back warranty.
Material: Bronze, ABS plastic
Stainless steel set screw 4mm flat tip
Tuning shaft: 6.35mm / 1/4"
Weight: MAIN: 320gr. /11.3 oz./ SUB: 70gr. /2.5 oz./
Dimensions: MAIN: diam. 50mm /1.97"/; height 26mm /1.02"/
SUB: diam. 30mm /1.18"/; height 18mm /0.71"/
Paint: black matte powder coat