Pioneer Valley Machinery Preservationists Society - This is a Champion F.800.XA spark plug cleaner and tester. Gives the plug a little abrasive blast then attach a HT lead and watch the spark
RARE Vintage Original Champion Spark Plugs Abrasive Compound Cleaner Oil Gas Can | eBay
Amazon.com: ABN Pneumatic Spark Plug Cleaner – Spark Plug Sandblaster Plug Cleaner Tool with Abrasive, Universal Sparkplug Cleaner : Automotive
Spark Plug Cleaner - Universal | Aircraft Spruce
ATS DELUXE SPARK PLUG KIT from Aircraft Tool Supply
Champion Spark plug cleaner, bought it for 6 $ Very Cool old kit. Does anyone know what year this is from? : r/Antiques