Top high quality from HS Sprenger Germany kk conrad ultra Aurigan Vienna Bit


Aurigan (85% copper, 4% Silicon, rest zinc)

You can find the exact description at Sprenger

size 5. 1/8  (130 mm), the size between the rings is 134 mm

thickness 18 mm,


with stainless steel rings 70mm


its only test, with lightly tracks

its in a very good condition

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Insured dispatch to UK and europe