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Four-Wheel Lug Nut Rotation Tray
A 172 mm floor tray for tire rotations and wheel swaps. It has four 5-lug rosettes of 26 mm bore, 12 mm deep cups, so each wheel's 19 mm, 21 mm or 13/16 in lug nuts (acorn or flanged) stay together. Raised 1-4 dot markers tell the corners apart, and a 36 mm centre cup holds the wheel-lock key.
Flagged: automotive electrical. Not for safety-critical use without independent engineering review.
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