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

Handrail Length 40 in / 3.3 ft Column Center Distance When Flat 29.3 in / 745 mm Maximum Height Difference Column Center Distance 23.6 in / 600 mm Maximum Height Difference 17.5 in / 445 mm Adjustable Angle 0° - 35° Handrail Width 2.3 in / 58 mm

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.