If I was going to sell these they would be a poly of some type. Being I am not I am not worried about it. I will try the 3/8" acrylic first if that fails I will use copper. I also got some softer O-ring material aswell. The one in the pic is real hard. If I get around to making the revised Jet Block I will get some poly. I might just buy a sheet from work and cut up some blank peices on the laser if it will do it. If not we got a table saw setup with a special blade to cut acrylics and polies.
Life is going to get busy again after this week. the daughter is comming back from grandmas and I will have her on the weekends again which rules out any block making. Will try and tinker with things after work as much as I can.
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