We stock a range of brackets that are designed to be inserted straight into the upright. These are for either 42.4 or 48.3 uprights. Should your handrail design require you to turn a corner, we stock brackets with 90 degree saddles. We stock handrail adapters for either 42.4 or 48.3 upright. They can accommodate either 42.4 or 48.3 mil tube. The handrail adapters are attached to the tube by gluing.