Panel complete with 4 LED indicators to be applied on instruments Ø 60mm. Part of the supply: n. 1 aluminum plate Ø 2mm cut with laser, n. 4 led lights Ø 2mm colors orange, blue, red, green and n. 1 o-ring to be inserted in contrast under the plate to hold it firmly to the instrument. Tool not included. NB The plate is very adherent to the instrument so in some cases it will be necessary, to avoid scratching the instrument, to widen it slightly with abrasive tools.