This is veion 5 of the CHAMP. It is a snap-on type for easy itallation, removal, and use. It has a movable friction latch for an extra secure fit. It is printed in one go or separately if desired. Pull tab to release/adjust. Extrusion direction is along the long z axis of part. This is a link to veion 1 >> NASA Handrail Clamp - V1 (updated) This is a link to veion 2 >> NASA Handrail Clamp - V2 (updated) This is a link to veion 3 >> NASA Handrail Clamp - V3 (updated) This is a link to veion 4 >> NASA Handrail Clamp - V4 (updated) This is a link to veion 6 >> NASA Handrail Clamp - V6 (updated) ************************************************************************************** rev1 1. Optimized geometry ************************************************************************************** rev2 1. Revised geometry