TONE Spark Plug Socket Set for Horizontally-Opposed Engines, made in Japan.
• Designed for replacing spark plugs on horizontally-opposed engines.
• In tight spaces, use a 17 mm ratcheting box wrench on the hex section to loosen while backing off, then remove the socket head as clearance narrows (reverse the steps to tighten).
• For tightening and loosening spark plugs.
