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I have probably 800 give or take a few - tech screws.
1/2" long worked great for the ice!
One case is brand new never used with 250 screws.
The other is a 70/30 mix with 70% used and the rest new. used ons have barely any wear from use. When I had these in the WR426 I only went out maybe 3 or 4 times with them.
I spent $70 for all of these.
Give me $25 and they are all yours. Pick up only in either in Medway, or Northbridge. Or somewhere close at a bar. (within 25 miles for an extra $10, or a jumbo 32oz Sam Adams draft)