Top Star – GRK
For plumb installation of wooden doors and windows. No More Shims!
GRK’s adjustable Top StarTM shim screw is in fact a screw within a screw that allows you to install wooden doors or windows without the use of shims.
The quick and easy system reduces labor and allows for hassle-free adjustment to ensure plumb installation.
Our product is suited to meet the needs of both professional contractors and weekend warriors making the job easier for one person.
Fine adjustments are as simple as the turn of a screw, even after years of use and settling.
https://www.richelieu.com
Our standard 42″ hot rolled crossarm is available in 11,12,13 and 14gauge. This video is an example of our crossarm being installed on a metal line post attached with
5/16″ x 1″ cap screws and 5/16″ lock nuts
Visit www.JimsSupply.com for more info.
Jim’s Supply Inc. is the largest manufacturer of metal trellising materials, including metal grape stakes and crossarms. We also carry a full line of vineyard supplies.