RIV503/504/508/RAC-Complete angle head kit for blind rivets d.2.4-4.8

Angular head kit.
Procedure for assembly.
The adapter is on the tool, otherwise it has to be assembled on the shaft.
The adapter for angular head must to be screwed on the tool.
Tighten a hexagonal head bolt 5x20 on the adapter, so that when screwing the head, it gets blocked.
Take the bolt out.
Tighten the ring out, orienting the head as needs.