Layout Blocks Hold Projects Secure A Delphi favorite. Build your panel straight and square with these aluminum blocks and push pins. Purchase homosote board (item 5176) for a lightweight soldering surface. Adjusts to fit any size up to 16 x 26. Extra 23, 17, 12 and 3 Add-Ons allow you to handle virtually any size panel. Includes ten 6 blocks plus 40 push pins.
