Yep there is a little added plastic piece that keeps the plastic steady, while the metal threaded part can be moved in or out. It took me like 3 hours to align my headlights to the perfect position. Without a 4 mm wrench, it gets annoying using needle nose and pliers to adjust the headlights.
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2007 Ford Crown Victoria SAP P71 Silver Birch/Dark Charcoal, 137,000 Miles, 1,600 Hours, NCSHP Vehicle #7367
40% Huper Optik Window Tint, DIY Headlight Relay Upgrade, Turn Signal Flash Mod, Trunk Light Mod with Cold Cathodes, Streamlight UltraStinger, Ultra Gauge, Pioneer Head unit, a GlobalSat BU-353, Cobra 29-LX, DVR-207 Dash Camera, and a RAM-VB-106-SW1 No-Drill Laptop Mount.

Proud member of the imaginary S.A.P. Group. You don't see us due to our street appearance.