Bought 3 sets of 3 packs 1/4 3/8 and 1/2 and 3/8 seems to hold but 1/2 rails seem to close keep rail attachment from breaking. The last set that turned up had 4 of the 1/2 plugs broken in the packaging and I only had them on their side in my work cart as they wouldn't fit in my drawer. I went with the 22mm drop head and it snapped off the rail. I haven't taken it out since I put them in there during my shift yesterday and the next day, before I could even try to remove it from the 1/2 connector, it broke just from sitting on its side. The first set I bought looks good but the last one I bought might be a bad batch. **UPDATE** 7/20/2021 CASOMAN seller contacted me to replace defective parts, will update once received. Upgrading from 1 star to 3 just because a company has actually come forward and wants to fix an issue is hard to find with companies these days. ***UPDATE SEPTEMBER 8, 2021*** The company sent me a 1/2 rail replacement which was amazing, unfortunately one of the new guys I was training was trying to help clean and hit my shock bushings and rails with brake cleaner , dried them by installing them in my cart. came the next day to have them plugged in my sockets had to knock them out to get my sockets back. Unfortunately this isn't a brand for me as I work with random chemicals that work on cars. 10/10 to the seller and his support, unfortunately they don't fit me as they are fragile and NOT chemical resistant.
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