I have 3 2.0 linear and been cranking hundreds of parts for 2 years works great. I bought the J1 to give IDEX another try since I had 3 other brands that were disappointing.
It works great however I still prefer the linear drive models.
Make an offer
In Chicago IL area for pickup or I can ship. audigo@alienc.com. Also listed in my ebay store ironskymounts