Inside diameter: 27 mm;

Outside diameter: 48 mm;

Used with shell mill holders

Wrench for ER25 nuts;

Length: 210 mm

Arbor diameter: 27 mm; 
Spacer diameter: 41 mm;
Thickness: 30 mm

Inside diameter: 13 mm;

Outside diameter: 28 mm;

Used with shell mill holders

Wrench for ER40 nuts;

Length: 290 mm

Arbor diameter: 32 mm; 
Spacer diameter: 46 mm;
Thickness: 1 mm

Arbor diameter: 50 mm; 
Spacer diameter: 69 mm;
Thickness: 6 mm

For use with ER collet chucks

Arbor diameter: 40 mm; 
Spacer diameter: 55 mm;
Thickness: 3 mm

Wrench for ER40 nuts;

Length: 210 mm

Arbor diameter: 16 mm; 
Spacer diameter: 27 mm;
Thickness: 2 mm

Arbor diameter: 32 mm; 
Spacer diameter: 47 mm;
Thickness: 100 mm

Arbor diameter: 27 mm; 
Spacer diameter: 41 mm;
Thickness: 6 mm

Arbor diameter: 60 mm; 
Spacer diameter: 84 mm;
Thickness: 3 mm

Inside diameter: 22 mm;

Outside diameter: 40 mm;

Used with shell mill holders