Top quality, Venture brand foil. 108 feet long. 1.5mil thick. 3/16" wide. Use silver backed foil to match zinc or other non-stained metals. Only 3/16" wide, its thinner than standard copper foil tape. Telling your foil apart is easy with Venture Foil Tape. The inside ring for 1.5mil is always red or a dark pink for easy identification. Delphi Tip: Choosing the Correct Foil When using transparent glass and bevels, choose your foil based on the color of your solder seams. Choose copper backed foil if using a copper patina Choose black backed foil if you are using black patina Choose silver backed foil if you are leaving your solder silver

Use thinner 3/16" size when foiling thinner glass, and to achieve finer solder lines. Use with transparent glass when you will be leaving solder seams silver. High tack and heat resistant adhesive back securely holds foil in place. Flexible copper foil created for the stained glass artisan.

Date First Available: December 23, 2013. Manufacturer: 3M. Item Weight: 3.2 ounces. Best Sellers Rank: #303,336 in Arts, Crafts & Sewing. Customer Reviews: 4.0 4.0 out of 5 stars 19 ratings 4.0 out of 5 stars. : B00HHCS66Y. Item model number: 4336904868. Product Dimensions: 6.1 x 5 x 0.7 inches.