Set consisting of:
- WM.4ME007531 B bar
- WM.4M007510 blade fastener
- WM.4M007511 blade fastener
- WM.4M007508-3 Spring blades
- WM.4M007509-3 Spring blades
- WM.4M007507 torsion bar
- WM.K002201 bearing needle
This has been succeeded by the WP5921157. Difference with WM.4M80750A06 are the model spring blades, which are for micro gap. The model on this page uses WM.4M007xxx spring blades and micro gap is WM.4M807xxx.