We always used a set screw so you could really wrench down on locking in the counter weight. However, it wasn't as easy for adjustability which led to eventually using the thumb screw. Regardless both approaches work and will lock in your counter weight to keep your tracking force accurate.
About
Product support and best practices shared with fellow owners...
We always used a set screw so you could really wrench down on locking in the counter weight. However, it wasn't as easy for adjustability which led to eventually using the thumb screw. Regardless both approaches work and will lock in your counter weight to keep your tracking force accurate.