Inside diameter: 16 mm;

Outside diameter: 32 mm;

Used with shell mill holders

Arbor diameter: 32 mm; 
Spacer diameter: 47 mm;
Thickness: 2 mm

Arbor diameter: 40 mm; 
Spacer diameter: 55 mm;
Thickness: 10 mm

Arbor diameter: 32 mm; 
Spacer diameter: 47 mm;
Thickness: 60 mm

Shell mill holder diameter: 16 mm;

Screw thread: M8;

Used with shell mill holders

Arbor diameter: 16 mm; 
Spacer diameter: 27 mm;
Thickness: 10 mm

Arbor diameter: 16 mm; 
Spacer diameter: 27 mm;
Thickness: 6 mm

Shell mill holder diameter: 40 mm;

Screw thread: M20;

Used with shell mill holders

Arbor diameter: 16 mm; 
Spacer diameter: 27 mm;
Thickness: 3 mm

Arbor diameter: 50 mm; 
Spacer diameter: 69 mm;
Thickness: 20 mm

For use with ER collet chucks

Used with shell mill holders;

Shell mill holder diameter: 40 mm

Inside diameter: 22 mm;

Outside diameter: 40 mm;

Used with shell mill holders

For use with ER collet chucks

Arbor diameter: 16 mm; 
Spacer diameter: 27 mm;
Thickness: 20 mm