Bonds, fills and repairs aluminum, brass, bronze, ceramic, copper, iron, pewter, plastic, porcelain, steel and wood. For automotive, industrial, households, hobbies, farm machinery and equipment. Drying time 4 to 6 hours before handling. Not affected by gas, oil or water. One tube contains a mixture of fine steel in a liquid base. The second tube contains hardening compound. Display includes six No.8276 single carded pair of tubes.