Material: stainless steel
Collar Inner Diameter: 117mm/137mm
Collar Height: 60mm
Collar Thickness: 7mm
Weight: 1.8kg

The rivet spikes are fixed by screws, which may cause the spikes to loosen or fall off during the shipping process, it can be solved by the tool accessory attached.

If the current size doesn’t fit you, you can contact me to customize your suitable size,customize service would cost a little extra fee.