Check the listing for details. Roland PD-8x/10x/12x Piezo Head & Rim Trigger Cone Electronic Drum Replacement. Condition: New. Listed at 61.00 USD. PD-8x/10x/12x & KD-12X/14X vDrum Head & Rim Trigger Combo Replacement Kit “Restore vDrum Triggering Performance to Like-New Condition!” Replacement 27mm Piezo, 35mm Piezo & Foam Cone with Wire Connects to upgrade Head & Rim Triggers on Roland vDrums & other branded eDrumsPiezo’s are complete with double-back stick foam tape on bottomPair of screw-on wire connects included per piezoFoam Cone is complete with full-base adhesive tape on bottom; Additional double-sided 3M adhesive disc provided - 1 inch/26mm in diameter; 1/16 inch/2mm thickStep-by-step instructions are provided via email to walk you through the steps Not compatible with Roland KD-80/85 or the PDX-series as the Foam OctaCone/Cone are too largeNot Roland OEM parts