- Must be purchased in quantities of 2 boxes of 100 EA. Total 200 screws.
- Great for fine adjustments
- NO hassles
- Reduces labor
- Conventional shim replacement
GRK's adjustable screws-the top star-Substantially reduces labor in the installation of wooden window and door frames, insulation, paneling and built-in wall units/cabinets. This product is perfectly suited to meet both professional and do-it-yourself needs. Fine adjustments are possible in both directions and will help reduce workload, making the job easier for one person.