{"product":{"product_id":"B00OM4GVX0","title":"Capri Tools CP21050 21050 Metal Hole Punch Set With Puncher 16 Piece, Black","price":"42.99","image_url":"https://m.media-amazon.com/images/I/41+DriufytL._SL500_.jpg","url":"https://www.amazon.com/dp/B00OM4GVX0"},"comments":[{"body":"  [this style](https://www.amazon.com/Capri-Tools-CP21050-21050-Puncher/dp/B00OM4GVX0) of punch works well on thin metal and you can change out the head for different hole sizes. \r\n\r\n\r\nJust did a quick Amazon search,  not neccesarily recommending this exact one.","subreddit_name":"lasercutting","author":"DorkHelmet72"},{"body":"You can use these with LC (I do), just don't inject through them. Like you said in an earlier post,  one SHIP and one of those for a filter. If you're really interested in making your own lids, I use [these](https://www.amazon.com/dp/B00OM4GVX0?ref=ppx_pop_mob_ap_share) and they are a life saver.","subreddit_name":"shroomery","author":"opticnerv01"},{"body":"After trying to drill a few I ended up ordering a [sheet metal punch](https://www.amazon.com/gp/product/B00OM4GVX0/ref=ppx_yo_dt_b_asin_title_o07_s00?ie=UTF8\u0026amp;psc=1) that I'm sure I'll use for other things around the house. It was hard drilling through such thin metal and would never be smooth or an even circle.","subreddit_name":"ContamFam","author":"HikaruEyre"},{"body":"You could get this kit and not have to swing a hammer at all but I agree with McK, just flip it over for the last step:\r\n\r\nCapri Tools CP21050 21050 Metal Hole Punch Set With Puncher 16 Piece, Black https://www.amazon.com/dp/B00OM4GVX0/ref=cm_sw_r_cp_api_glt_i_X62C918SV4F7YVXPR6BT?_encoding=UTF8\u0026amp;psc=1","subreddit_name":"shroomery","author":"TheTeamExtreme"},{"body":"Don't cut them off. They provide support. I would put caulk between them and use rivets. Aluminum rivets for aluminum,  stainless steel rivets for steel. Use a punch if possible to get closer to the corner. \r\n\r\nhttps://www.amazon.com/dp/B00OM4GVX0/ref=cm_sw_r_cp_apa_i_qdZCFbKPKRBG1","subreddit_name":"fixit","author":"Diligent_Nature"}]}