TOPSTAR

By GRK

TOPSTAR by GRK
White zinc plated with starhead recess. Eliminates shimming.

GRK’s adjustable screw, the Top Star™, is a screw within a screw that reduces labor substantially for the installation of window and door frames, insulation and paneling, built-in wall units and cabinets. Our product is perfectly suited to meet the needs of both the professional and do-it-yourself installers. Fine adjustments are possible in both directions, helping to reduce the workload and make the job easier for one person.

  • For plumb installation of doors & windows
  • Great for fine adjustments
  • No hassle
  • Reduces labor
  • Eliminates shimming
Stock code Upc code Size Pieces Weight (lbs)
000077269120157 772691 20157 7 1/4 - 3/8 X2"1/2 1pkg=100topstars 2.88
000077269120161 772691 20161 4 1/4 - 3/8 X3"1/8 1pkg=100topstars 3.6
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