Hello ,
The two parts that you list are probe tips for our IsoVu probes. Neither of the probe tips are repairable. We offer the tips as repalceable accessory for the IsoVu probes. 650-6122-00 is actually ordered as TIVPMX10X. 650-6192-00 is actually ordered as TIVPWS500X
TIVPMX10X
MMCX 10X Tip Cable (SHORT)
$1090.00 ea. USD
TIVPWS500X
WSQPIN 500X Tip Cable (SHORT)
$1090.00 ea USD
If you are interested in placing order or parts pricing, please reach out to our sales at 1.800.833.9200 option 1 or email the request to buy@tektronix.com