Home › Tool Holding › Milling Chuck Collets › MC125Similar item shown. Size and length follow the specifications.JEM # HPI-MC125-0312 (5/16)MC125-0312 (5/16)MC125 straight sleeve collet, 5/16"MC1255/16"SpecificationsFrom Pioneer's catalogSeriesMC125TypeStraight sleeve colletSize5/16"$54.01each□ Ships from PioneerAdd to cart