LS3/5a TWEETER/PCB INSULATING PADS used on KEF T27 in the LS3/5a, essential when mounting an original-type LS3/5a Network PCB. Made for Falcon by original British manufacturers to full 25 Density BBC Specification. Not to be confused with inferior non-British manufactured grades that usually cost more. Measures 2" x 2" x 1/2" thick, sold in pairs.