$120
with our recommended retro fix

$85
Size 54mm x 68mm

Also available
Co-Motion Self-Locking. Size 54mm x 68 $95

$90
Size 68 x 54mm 

$180
 (Best Choice)

$165
Size 54 mm

$120
68mm x 57mm Large 5mm Socket head

$75
Call for advice
We must have your core in good condition