This is exactly what it looks like. The tolerance is totally acceptable and it's a well-made piece of glasswork. Do you need such a cylinder for doling out yeast say? Go for this bad boy (Though for acids I'd recommend the plastic syringes and the 50mL Cylinder is also very handy)

This is a great size. It allows me to calibrate how accurate my measuring cups are and it doubles as a hydrometer test jar. Mine did not come with a plastic slide as shown it the photo but I would not be using that anyway.

This graduated cylinder doesn't workout for finishing gravity with a triple scale hydrometer. The hydrometer bottoms out at the gravity 1.015 or so. If you're ok with not knowing your correct finishing gravity then this is for you. I will have to search around for a grad cylinder that the hydrometer won't bottom out on.

Good quality glass large enough for hydrometer readings

When you want a precise measurement for blending or sugar KMBS or acid additions these graduated cylinders are the ticket. Clear markings make it easy to get the precise measurements you're after. A quality product that I use every year in my wine-making process.