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Plastic Square Bar Pricing

Analysis of 312 eBay listings for plastic square bars.

What you'll usually pay

$32.91 typical price

Most are between$17–$134

Brand new$33

Used$60.5

On sale now312

💡 Used ones cost about 83% more here.

👉 In short easy summary

The best value is found in PEEK (-36%) and Polyethylene (-12%) materials. Conversely, ABS and Delrin both command a 28% premium over the market median.

💚 Best value for your money

Acrylic 111 on sale$31.72 · 4% cheaper

Clear 74 on sale$31.72 · 4% cheaper

1/2 in 57 on sale$31.72 · 4% cheaper

Price by plastic type

PEEK

$21-36%

Polyethylene

$28.98-12%

Acrylic

$31.72-4%

Plastic

$33

Delrin

$42.16+28%

ABS

$42.27+28%

Why? Prices vary by material properties, with ABS at 42.27 and PEEK at 21.

Price by plastic color

Natural

$27.07-18%

Red

$28.03-15%

Clear

$31.72-4%

White

$41.21+25%

Black

$45+37%

Why? Black bars are the most expensive at 45, while Natural is the cheapest at 27.07.

Price by bar length

1 in

$31-6%

2 in

$31.78-3%

4 in

$32.52-1%

3 in

$34.34+4%

6 in

$42.27+28%

5 in

$48.17+46%

Why? Price increases with length, peaking at 48.17 for 5 in bars.

Price by bar width

1/2 in

$31.72-4%

3/4 in

$31.72-4%

1 in

$32.43-1%

2 in

$33

1/4 in

$36.56+11%

1/8 in

$75.32+129%

Why? Specialized small sizes like 1/8 in command the highest median at 75.32.

🛒 Some on sale right now

Common questions

What is the median price for a new plastic square bar?

The median price for new listings is 33.

Which plastic material is the most affordable?

PEEK is the most affordable with a median price of 21.

How does the price of black plastic bars compare to the median?

Black plastic bars have a median price of 45, which is 37% above the market median.

How we got these numbers

Worked out from 200 live eBay listings (price range $17–$134, odd outliers ignored). These are asking prices, so use them as a guide. Last checked July 28, 2026.