ER50UM M64*P2.0
ER40UM M50*P1.5
ER32UM M40*P1.5
ER25UM M32*P1.5
ER20-A M25*P1.5
ER16-A M22*P1.5
ER25M M30*P1.0
ER20M M24*P1.0
ER16M M19*P1.0
ER11M M13*P0.75
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