Bosch HB450 Bi-Metal Power Change Hole Saw, 4-1/2" N/A It improves working characteristics and

It improves working characteristics and performance of cement-based mixes to boost water resistance

Just insert into any 3/8 inch or larger electric or cordless drill

Provides maximum uv protection water & weather resistant

Field-selectable color temperature options of 3000K

Provides breakthrough protection to keep patio furniture looking like new

Bosch HB450 Bi-Metal Power Change Hole Saw, 4-1/2" N/A It improves working characteristics andHighlights: Type: Multi Purpose Diameter: 4 1 2" Cutting Depth: 1 5 8" Cutting Edge Material: 8% Cobalt Body Material: Bimetal Tooth Pattern: Progressive Chuck Size: 3 8" Shank Type: Hexagonal Applicable Materials: Aluminum, Brass, Bronze, Copper, Plastic, Stainless Steel And Wood Special Features: 8 Deg Cutting Angle For use with model HSBAL, HSBAM, HSBAMP, PCM38, PCM12, PCMSDSPL Mandrel Progressor tooth design for faster cutting and longer life