Commonly used for doors, windows, cabinet adjustments and Coffered Ceilings
Adjustable Screw
Make Adjustments Months Later
Use Crown Bit tool for adjusting or T-20 Bit
Description
The Original TopStar Fastening System ™ replaces shimming and can make door hanging a one-person job. TopStar™ is a dual screw which works as one and is perfect for door jams/wooden windows, insulation, paneling and cabinets. Great for any fine adjustments in both directions.