Designed for anchoring in hollow base materials such as hollow concrete block, brick w/weep holes and hollow core pre-cast concrete plank;Can also be used in solid base materials;Powers Fastening Innovations

• Powers Fastening Innovations 09350 Hollow-Set Drop-In 1/2-Inch, 50 Per Box

Powers Fastening Innovations 09350 Hollow-Set Drop-In 1/2-Inch, 50 Per BoxPowers Fastening Innovations