LS-ETH2152. 6 available ($26 Each). 1" silk dome (w dome protector) 4 Ohm. Shielded magnet. Fits 2 7/8" hole (Depth = 1.5") Face plate is 4.25" x 3.5" truncated. (hole diagonal c-c 3 5/8". 38 quality very nice sounding replacement tweeter - very well done. Condition #10 NEW STOCK.