7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware seat and linkage are replaceable

seat and linkage are replaceable without digging

Provides an excellent source of fermentable fiber for slow release energy

Fade and chip resistant

Laser cut heat expansion slots reduce heat and blade warp

Our patent pending bottle ball is placed inside the natural rubber cage to provide the crackle sound and feel that dogs love

7/16 x 5-1/2-In. High-Speed Steel Drill Bit, Titanium Coated Richelieu Hardware seat and linkage are replaceableMaster Mechanic, 7 16" x 5 1 2", Titanium Coated Drill Bit, 135 Split Point Design With 4 Cutting Edges Eliminates Walking & Permits Quick Accurate Starting, Added Lubricity Of Titanium Nitride Surface Finish Enhances Chip Flow, Drilling Efficiency & Increases Drill Life, Recommended For Heavy Duty Drilling In Wood, Plastic, Wallboard, Plywood & Soft Metals & For Moderate Use In Heat Treated Or Ferrous Metals, Carded.