But the gauge conversion chart has been stretched too large in photoshop, or something similar. The "dots" are no longer actually the correct gauges.
For those who aren't into piercing, here's the household conversion list:

16ga thumbtack tip, big safety pin.

14ga metal coat hanger, bike spoke, wire from triangular business clamp.

12ga wire hanger, spaghetti.

10ga round toothpick, q-tip shaft, small bamboo skewer.

8 fire extinguisher pin, #5 crochet hook, small pilot lock, coffee swizzles, ink cartridge.

6ga juice box straw, lightsaber handles from Star Wars lego sets, lightbrite peg, mini-glowstick, Rold Gold pretzel stick, heroin-style medical tubing, round boot lace, lollipop stick.

4ga pilot stylus, large bamboo skewer, chopstick.

2ga drinking straw, power cord for N64, Bic automatic pencil, crayola colored pencil, yellow pipette tip, crossbow bolt, no.2 pencil.

0ga Bic round stic, candy cane, round chopsticks, Master Lock shackle, PCR tube, blue pipette tip, plastic clothes hanger.

00ga Bic round stic cap, 1/4" male headphone jack, lego person's head, fat crayons, American lock company #5200 shackle, beaded Christmas garland, Papermate Gel Roller pen.

000ga Sharpie marker body, wooden spoon handle, 1/4" female headphone jack, A/V adaptor plug head from Sony Playstation.

0000ga Sharpie marker cap, mini one-use hydrating shampoo/conditioner bottle, Eppendorf reaction vial