Quick view Mr. Hobby Insta-Cure Gap Filling 2oz Bob Smith Ind. BSI-108 Mr. Hobby $5.21 Insta-Cure Gap Filling 2oz Bob Smith Ind.This is a two ounce bottle of Bob Smith Industries INSTA-CURE+ Gap Filling CA Glue. INSTA-CURE+ is a higher viscosity CA for loose fitting joints in which the... Add to Cart Add to wishlist