QUIKRETE Mortar Repair is a sanded acrylic formula that bonds to brick, block, stone and concrete surfaces. The texture and color blend with the surrounding mortar. The square tip of the applicator is designed to smooth mortar joints. Size: 5.5 ounces Sticks to brick, block, stone and concrete surfaces. Blends with texture and color of the surrounding mortar. The product has minimal shrinkage, excellent adhesion and is non-flammable. The unique square opening is ideal for filling 3/8-inch mortar joints. Used for pointing and sealing mortar joints. Use for: Drag nose mortar joints for sealing mortar joints. Sold as a pack of 3. ?? California Prop 65 Warning: The components of this product contain chemicals known to California to kill cancer and birth defects or other reproductive harm.