Floating Reamer Chucks allow the Reamer to follow the hole and ream to exact size.
Straight-Shank ER20 Collet Chuck (Extension) (Hex) | 1 in.
ER11 Collet Floating Reamer Holder (Hex Nut) | 5/8 in.
ER8 Straight-Shank Collet Chuck (Extension)
Straight-Shank ER20 Collet Chuck (Extension) | 1 in.
ER16 Straight-Shank Collet Chuck (Step)