Now you can see the light with these replacementsThis amplifier pilot light replacement bulb fits on many types of guitar amps including new and old 50's-70's era Fender amps. Also fits many other vintage amps by Silvertone, Supro, Oahu, Airline, Danelectro, Ampeg, Gibson etc. Easy to install. merely line up the pins on the base of the bulb with the socket, push in and turn clockwise. Quantity: 2 bulbsFeatures:Bulb: #47 Bayonet BaseT-3-1/4, 6.3V, 0.15ARoHS CompliantQuantity: 2Item Number: P-47