Williams / Universal Research Laboritories, Inc. / URL Simulator System 20A-9055 Sound System 3 board PCB 105C Cap Kit 100% Axial Cap Kit except for one radial Non-Polarized (BP / NP) capacitor. Our kits have some of the BEST quality, low ESR, and longest life capacitors in them. This is found on Williams Ambush Rifle Gun Arcade game and has three PCB’s with markings of UA-10A on Amplifier PCB, GM-120 on Helicoptor PCB and GM-110A / GM-144-2 on Explosion PCB. “Mega Deluxe Cap Kit” All capacitors are 105c Axial in this kit. All of our Cap Kits / Get Well Kits include a sticker so you can place it on the PCB to help you keep track of the work you did and when it was done. 10 Capacitors total included in kit which includes 1 NP/BP capacitor with great instructions.