Double Expansion Shield Item Name:Double Expansion Shield - 5/16" - Drill Size 5/8" - (Box of 50) With these brushes by your

With these brushes by your side

and motor loads such as exhaust fans

sticks to everything glue

For 3-Way 2-Filament Lamps

Double Expansion Shield Item Name:Double Expansion Shield - 5/16" - Drill Size 5/8" - (Box of 50) With these brushes by yourThe Double Expansion Shield offers a reliable and consistent anchoring solution suitable for base materials of uncertain strength. Its unique construction features two expansion cones which draw in as the machine bolt is tightened, providing a secure hold and optimal stability. The Double Expansion Shield is manufactured of steel with a zinc finish and is designed for concrete, brick or stone applications.