D6HA = DR6HS - SAME PLUG ONLY NOW RESISTOR Thread Size: 12mm Thread Pitch: 1.25mm Seat Type: Gasket Resistor: No Reach: 12.7MM / 1/2" Hex Size: 18mm Terminal Type: Threaded Stud Overall Height: ISO Gap: .028" (0.7mm) DR6HS "HOT" @ _ "SILVER DOLLAR TYPE" PLUG GAPPER TOOL SOLD EACH 1/22A (R2248)JUST A NEAT LITTLE TOOL !!!! GOES FROM .020" TO .100" AND FROM 0.6MM TO 2.4MM R2248