ER20 Collet (x15) Holder Tray

15x ER20 Collet holder. Also holds an R8 to ER20 adapter found here:
https://www.suncoasttools.com/crm/ItemPage.aspx?ItemNumber=62R8ER20+++534362+SO&VendorNumber=SOWA

V0: Initial Upload
V1: Cored out to use less material
V2: Modified to be low-profile