Spacers to adjust the take-up and feel of the brake, 3 interchangeable spacers 2, 4 & 8 mm, adjustment from 0 to 14mm.
Printed in PLA with 3 walls and 20% infill. Might actually be overkill seems to be surviving pretty well. Little concerned the 2mm lip might be a weak spot.
I've been getting the SRP pedals a lot closer to Caymans clutch and break feel, getting close. Have a look:
https://www.printables.com/model/1266399-moza-r3-to-r12-simrig-accessories
The author marked this model as their own original creation.