I need some feedback from you experts before I have them installed on my low in P Bass. Here's the specs: application Our most popular Basslines pickup. High output, versatile, pickup. Recommended for blues, classic rock, punk, heavy rock, classic metal and nu-metal. description The quarter-inch diameter pole pieces expand the magnetic field and extend the frequency ranges for fat, full, punchy sound with tremendous mid-range presence and maximum output. Though often used for heavy rock tones, this pickup gives amazing tonal versatility to a single pickup instrument making this the most popular Basslines pickup. Includes logo covers.