VEVOR Handrails for Outdoor Steps, 2-3 Step Stair Hand Rail & Indoor Railing Kit, Railings for Outside Steps with Installation Kit, Hand Rails for Seniors,Porch Railing & Deck Hand Rail, Black

The included 10mm cement drill bit can be used in a regular electric drill for soft cement and brick. For hard concrete, stone or thick cement walls, a hammer drill is required for better drilling effect and to prevent bit damage.