TEMCo TH0390 – Manual Knockout Punch Driver Kit (Set) for ½ inch to 2 inch Electrical Conduit Hole Sizes (1/2"-2" Conduit Size)

My husband really needed these for his electrical job and he loves them. He has stated that the sharpness and size is great for creating holes. The quality is great and it is very versatile.

I used this to make a bunch of 3/4" and 2" holes in wire tray for a solar installation. It went pretty well but I wished that I had either a stubby electric impact wrench or the hydraulic version. If I were a professional I'd buy the hydraulic. The time and effort it takes to turn a wrench on this tool is significant. It works well and if you have time to spare you'll save a ton of money over hydraulic. I put a conduit bender on the end of my ratchet about half way through as a cheater bar. You need quite a bit of force to finish it off. I used it for about 12 2" holes 2 1.5" holes, and 2 3/4" holes. The 3/4" were really easy, the 1.5 I did with a ratchet alone, but 2" is right at the limit of what you can realistically do by hand I think. And that's only if you have room for a cheater bar. For infrequent use, this is the tool to get, especially if you can use an impact wrench. For regular use though, step up to hydraulic.

Worked like a charm. The quality seems to be good so far. I would reccomend these punches to a friend.Update: I have had a chance to use the punches on numerous occasions and they are holding up nicely. I especially like the plug splitting feature. I've use punches that you had to dig the plug out of the die after each hole. The plug splitting feature makes removal a non issue the two halves fall right out, no problem. The quality of the material and the heat treating is excellent. after several uses the punches are still sharp and show very little signs of use. GREAT PRODUCT!

like: so far, they've worked fine - I'm a "seldom need user" so they definitely are not getting heavy duty use and I'm very careful with themless than 1/2 the cost of GREENLEE KNOCKOUTSThey seem decently well made. (better than expected)dislikes: none really, I do kind of wish they had enclosed some kind of handle for the sockets (but that's a relatively minor inconvenience)I'm actually very happy with the purchase so far... (and I've been able to stop borrowing my neighbors GREENLEE KNOCKOUT set)

I have beat this set up for a year with no issues. Lasted longer than my green Lee set that was 3x the cost. I will buy again when needed.

Punches holes for electrical fittings as advertised, not brain surgery.

The large bolt is missing. I’ve used other TEMCo products & they were great. I ordered this set because delivery was fast. It arrived on time , but the large bolt is missing. TEMCO has not answered calls or emails yesterday& today. I’m the future , it s easier just to re order & send back to Amazon. It took a few days. but TEMCO replace the missing bolt. So far , these cut well.

We use a Knockout Kit at work that was 10 times more expensive than this set. This set worked great for home use, the price it was well worth it.

Me ha servido muy bien

These are very well made and beat my expectations. Using an impact driver (a must) they cut through my 5mm aluminum plate making perfect round holes and the scrap just easily fell out - no effort. Use oil/lube and it goes much easier/faster and will probably last longer. If I need more sizes I will look for this brand.

Works as advertised for occasional light use. Punched several holes on light gauge metal with no trouble. Need to pack a 1/2” ratchet though as it doesn’t come with one.

I havevnt used each size yet but 3/4” and 1” work fantastic but the 2” gets stuck at the very end, but it was also a thicker steel panel so that might have been the issue.