Layout Blocks Hold Projects Secure Use this Delphi favorite to build your next panel straight and square. Use these aluminum blocks and push pins to create a custom sized square for any project. Extra 23", 17" and 6" add-on blocks allow you to handle virtually any size panel. Includes four 3" and four 12" blocks plus sturdy metal push pins. Delphi Tip: Assemble Layout Blocks on Homasote Board (item #5176 sold separately)

Push pins insert easily into Homosote board. Includes four 3" and four 12" blocks plus push pins. Configure to fit a multitude of panel sizes. Holds glass pieces tight to keep panels straight.

Ultraviolet Light Protection: False. Product Dimensions: 15.2"L x 3.6"W. Color: Silver. Brand: Morton. Material: Combination. Date First Available: February 1, 2010. Manufacturer: Morton Glass Works. Item Weight: 7.8 ounces. Is Discontinued By Manufacturer: No. Best Sellers Rank: #62,210 in Arts, Crafts & Sewing. Customer Reviews: 4.7 4.7 out of 5 stars 390 ratings 4.7 out of 5 stars. : B0036QLKWC. Item model number: LB02. Product Dimensions: 15.2 x 3.6 x 0.4 inches.