The collar consists from solid steel.
It is folding and is locked with a screw.
It has a breadth of approx. 35 mm (1.378inch).
The following inside diameters are eligible for office: 130 mm (5.118inch); 140 mm (5.512inch); 145 mm (5.709inch); 150 mm (5.906inch)
Other sizes on enquiry.
Please give the desired size in the ordering form.