This bracket is designed to mount on to 1-1/2", 1.57" and 2" square vertical posts.
(Qty 2) QS-113 Screws sold separately - used to connect saddle to handrail.
(Qty 1) QS-113 screw sold separately - used to connect bracket to 1-1/2", 1.57" and 2" square vertical posts.
Mount the back plate on 1-1/2", 1.57" or 2" square posts (tube item #s C12124, SL4900 and C16164).
Use A110 and A111 as handrail.
Small set screw size: 2.5 mm hex.
Saddle scrfew size: 4mm hex.
Use C12124, SL4900 and C16164 as vertical post material or mount the bracket to any flat surface - making sure that the adequate fastener is used.