Red SSS Guitar Prewired Loaded Pickguard, Alnico Pickups, Multi Tone Fit Strat. Prewired set? Prewired electric guitar pickguard set with three SSL1 Alnico pickups, three CTS potentiometers, one 5-way switch, Fits for standard U. /Mexican St starts, perfect replacement for upgrading any common guitars configuration. Superior Sound Quality? – Harmonic rich, bright and sweet, versatile set of sound, super responsive, ideal for playing funk, blues, punk, rock and roll. Easy to install? Everything above is already installed, including the output jack, just solder the ground wire to spring claw after receiving it. Please be ready to enjoy the perfect sounds. Resistance: N/M/B: 6.16Kohm/6.57Kohm/ 7Kohm. 1X 3-ply Guitar Pickguard. 3X Alnico SSL1 N M B single coil pickups. 3X CTS potentiometer 1V2T (Copper Shaft). 1X 473J 400V CDE Caps (Made in USA).