This is the Lee Back Plate Complete Retaining Assembly Replacement for 100mm System [FHBPCRA]
Please note that Lee filters are handmade. Glass filters have a lead time of 14 days and Resin filters have a lead time of 10-12 weeks. All other Lee products have a 3-7 day lead time.
A spring clip housing that replaces the spring latch on the filter holder and lens hood.