The Kyosho W5311 Seal Cartridge & Turnbuckle Wrench is aimed at precise tuning and routine servicing for ULTIMA RB7 and LAZER ZX7 cars. It fits turnbuckle sizes from 3.5mm to 5.5mm and helps make setting changes quicker and cleaner.
Manufactured by Kyosho, the W5311 focuses on consistent contact and reliable operation so adjustments remain predictable. The build quality supports repeated use without rapid wear.
Its shaped handle improves grip during longer bench sessions and quick on-track tweaks, making it a useful addition to a drivers tool kit for touring car tuning tasks.
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