Top high quality from HS Sprenger KK Ultra Aurigan Loose Ring Bit 6. - 21 mm Aurigan Rings
Aurigan (85% copper, 4% Silicon, rest zinc)
You can find the exact description at Sprenger
size 6. (150 mm), the size between the rings is 154 mm
thickness 21 mm,
with Aurigan Rings 70 mm, they are not really round
its used, it have used tracks and discolorations,
its in a good condition,
for more bits ask me: hm@hm-horseshop.de
Insured dispatch to UK and europe