Premium material: 3 inch Handrail brackets made from zine alloy,bright brass finish,durable,sturdiness and long-lasting use Safe: Handrail bracket supports up to 330 lbs per bracket, and safely carry weight 100 lbs per stair bracket, meets ANSI/BHMA A156 grade 2 Easy to installation:handrail brackets are design to adjust to any stairway angle,great for indoor or outdoor use Suitable for home improvement, stair railing, shopping mall guardrail handrail, corridor, building handrail Including: 3 Pack handrail brackets and mounting screws hardware, so installation is quick and easy Attention: Maximum distance between brackets not to exceed 48 in Reach out to us for any issues with the brackets, we are committed to providing exceptional service Home Master Hardware is the source factory of American home hardware. Millions families use our products every year in the United States, so Home Master Hardware products have high quality and service. If you have any questions, please contact homemaster123@outlook.com