I want to buy an industrial sewing contrivance

a second hand pfaff 555h3 or 545 OR a juki LU563, has anyone have any experience with these. I want to use it for thick materials.
Answers:
It's an older singer. My boyfriends really. Je would know more about it email tomorrow for more info arcadamia(a)yahoo.com
I have a friend that wishes to sell hers, its computerised This will sew thru double or 4 times in fur.biddable condition, cost $4000 sell $2000, do you live in Sydney?

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