Black Jack Leak Stopper 1 Gal. Rubberized Roof Patch Soldering Guns The lock features 4 pin

The lock features 4 pin cylinder making it pick resistant

Corrosion resistant and ideal for direct burial applications

cleaner holes

Hardens concrete

Ideal for making dowels

Black Jack Leak Stopper 1 Gal. Rubberized Roof Patch Soldering Guns The lock features 4 pinA revolutionary advancement in roof patching and repair. This long lasting rubberized repair is specially formulated to penetrate deep into areas and stop roof leaks instantly. The secret is Penetrex , a unique penetrating oil that reaches deep into the crack and forms a complete seal. With the addition of liquid rubber, this flexible, high performance plastic cement provides a superior watertight bond that will stop problem leaks for good. Product