12-0409SP-10B 10MM Clipon Riser Spacer Set - used with 12-1590-10B 1 Inch riser

10MM Clipon Riser Spacer Set - used with 12-1590-10B 1 Inch riser in down position.

Used in Adapter plates below:

12-1409

12-1419

12-1790

12-1790R