The Plus Ultra Pack takes the concept of our Value Pack and takes it one step further, and adapts it to guitars with an "S-S-H' pickup configuration. You still get vintage humbucker tones in the neck and fat single coil tones in the middle, but you now have a the searing hot lead tones coming from the bridge slot that only a Red/Red Dually from Lace can provide. The Dually itself can still be wired for its proprietary "3-in-1" mode of operation which will give you more versatility than you've ever had in your guitar.The Blue Lace Sensor Pickup - Slightly increased output with the warmer 50's humbucking sound in a single coil configuration.The Silver Lace Sensor Pickup - Also available in Reverse Wind-Reverse Polarity! Silver Sensors are fat 70's single coil sound with increased output and more mid-range.The Red/Red Dually Lace Sensor Pickup - Our most rocking and hottest output electric guitar pickup available in the Sensor Pickups line. Red Sensors are perfect for the bridge position with a fat and punchy Humbucker sound.The Lace Sensor family has a unique radiant Field Barrier system that surrounds both the coil and magnets, reducing annoying 60-cycle hum. The patented Lace Micro Combs replace traditional bobbins, yielding a wider tonal range and better string balance than traditional pickups.For Optimal Tone: Use our suggested pickup heights. These measurements are good for any of our pickups. Start with these measurements and adjust height to preference.String distance from the pickup, fretted at 21st fret: High “E”: -NECK: 1.5mm-MID: 2.0mm-BRIDGE: 1.0mmString distance from the pickup, fretted at 21st fret: Low “E”: -Neck: 2.5mm-Mid: 3.5mm-Bridge: 2.0mm