22 x 1.5 Lug nuts for semi-trucks and buses that feature varying lengths of skirt shank for stopping wheel vibration

22 x 1.5 Studs for semi-trucks and buses that feature various lengths for different wheel applications

Inner nut sits within dual rear wheel systems to ensure a centered wheel-vehicle connection.

Outer nuts thread onto the inner such that it completes the connection for dual rear wheel setups.