I had more calipers than I needed to buy in my day. I had zero problems. The calipers I've bought have never fully zeroed back. This insize caliper does it (it's not perfect, but it's close). The battery in other models was so tiny, and the compartment that housed it had loosened screws to keep the lid from closing. The Insize uses a CR2032 battery, the larger battery lasts longer. I like it. And the battery cover slides out with the push of a thumb. It's better than unscrewing tiny screws that render the caliper useless. I don't know yet how durable the insize caliper is. This is the next exam.
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