Feature: Including: 1 pairs (equals 4-piece) of railing / handrail connectors, 12-piece black coating Stainless Steel #304 screws. Easily and accurately install the 2 in. x 4 in. railing (actual 1-1/2 in. x 3-1/2 in.) to post at stair. Sanding / trimming may be required at railing ends' corners and edges due to wood external size error. Myard Railing Connector works on wood and composite railings. 10-YEAR WARRANTY. Upgraded materials: Nylon + Fiber + Anti-UV. 2 times more durable than normal ABS, PP. products. Color options: Black, Red. Each connector 4 holes at side for installing railing to post with 4 screws at 30° (weight capacity 50% more). 2 holes at the back of each connector to secure the railing / handrail.