Our same Clear Gorilla Glue formula, now in a precision pen for small jobs or tight fits. The strength and versatility you have come to expect from Gorilla Glue in an easy to use, crystal clear, non-foaming formula. Clear Gorilla Glue is incredibly strong, ideal for indoor and outdoor applications and bonds virtually everything. Bonds Virtually Everything: Wood, Stone, Metal, Ceramic, Foam, Glass & More.