2Pcs Heavy Duty Automatic Center Punch, 5 Premium Steel Spring Loaded Center Hole Punch, Adjustable Spring Impact Center Marker Scriber Tool for Metel, Plastics, Wood, Glass by karmiero

Item description: Automatic Center Punch x2 Brand: Karmiero Item: B0BR8B8XKJ Date received: 2023-03-09 Headline - Nice value; good to have one in each toolbox, and useful in the car as well. Product Claims 2 ct Automatic Center Punch I received exactly what was claimed in the product description as to quantity (2 ct) and type (automatic center punch). The items came in a white pasteboard box, each within its own heat-sealed plastic bag. There were no instructions for these (none really are needed). Each item is purely mechanical, operated by spring/ratchet action. You merely push down with the pointy tip at the place you want a starting punch, and the spring loaded internal hammer loads up and knocks the point into the material. If you need a deeper mark, or the material is hard, you can repeat this action several times to create a larger mark. These also have utility to keep in your car, as a window breaker, in case you end up in high water due to going off the road or mistakenly driving into deep water during a flood or hurricane. These are relatively inexpensively made, based on a now-standard long-ago design (my grandfather, a machinist in his early years known for making many of his own tools, made his own automatic center punch to essentially this design, circa the 1920s), but they are solid steel and should last awhile if you are using them in soft or moderately hard materials. You can touch up the point with a grinder or sharpening stone as needed. The point of these is probably not hard enough to put a mark into a hardened steel.

This is a nice punch. Would have given 5 stars, but the first time I used it, the punch did not reload. I took the unit apart but found nothing I could see holding the spring. I banged it on the table and the spring released. After reassembling the punch worked perfectly and reset every-time.

This offer was for 2 identical punches at a low price. Very handy to have in 2 different locations. I dont know how long they will last, time and use will tell.

Wasnt sure if I could use this with not much hand strength; but this was easier than I thought. I kept losing the little pre-drill screws. This was a great find. And TWO for the price was even better.

It malfunctioned on 3rd use, not sure how long it will last.

These seem well-built and sturdy, although the mechanism is a little stiff (maybe after I use it for a while, it will become smoother). I used it to make a few drill guides in a wood beam, and it worked just fine. One small negative is that if you dont know how to adjust the tension, these came with no instructions whatsoever. Fortunately its not hard to find this info online (or figure it out): the farther you unscrew the base (the end farthest away from the point) the less tension there is on the mechanism and the less force needed.

These seem well-built and sturdy, although the mechanism is a little stiff (maybe after I use it for a while, it will become smoother). I used it to make a few drill guides in a wood beam, and it worked just fine. One small negative is that if you dont know how to adjust the tension, these came with no instructions whatsoever. Fortunately its not hard to find this info online (or figure it out): the farther you unscrew the base (the end farthest away from the point) the less tension there is on the mechanism and the less force needed.

This offer was for 2 identical punches at a low price. Very handy to have in 2 different locations. I dont know how long they will last, time and use will tell.

I used them to mark holes for screws on metal and they did not disappoint. Heavy duty and Precise.

Given the cost I didnt expect a high caliber tool, but I figured since there would be *two* of them I would at least wind up with 1 usable tool. I was wrong. The first punch never fires and is functionally just an awl. The second punch fired *1* time and immediately became stuck so now its functionally a paper weight. I could likely find a way to fix it but Id rather not spend time fixing a tool before its first real use. Will return and purchase something else.