80pt is 28mm using online calculator...28mm is 1.1 inches so I am completely confused, can you help me out?

Confusingly, a "point" has more than one meaning. In typography a point is 1/72 of an inch, but in this context it means the same as a "mil" = 1/1000 of an inch. Hence 100 points = 1/10 of an inch, and 80 points is 0.08 inch, which is slightly less than 1/12 of an inch. In metric terms 80 points is 2 millimeters. (Here's the math: 1 inch is by definition exactly 25.4 millimeters and 0.08 x 25.4= 2.032 mm.)

Are these good t make journal cover and punch holes in for the spring?

They'll make a thick one-- they're nice and solid but you'll need a pretty hefty punch for it, so if your punch can't handle a good chunk of paper at a time maybe choose a lighter weight?

How difficult is it to cut these? With scissors or exacto knife? Or small tooth saw? Thanks

Not bad with a good utility knife. Needs more than one pass but a lot easier than 100pt chipboard. I have a Carl cutter and it cuts it with a couple passes whereas 100pt takes me like 10 passes with a good utility knife.

Is it 2.2mm or 2.2cm, it is confusing. How does this translate to Pts.? Thank you

mm. The higher the pt #, the thicker and harder the chipboard is. A cereal box is also chipboard and would be like 20pt I think and it’s pretty thin. 100 pt chipboard is about 3mm and is pretty sturdy stuff

Lewtemi ブックボード製本用チップボード 12 5 X 10インチ 80pt グレー 20枚

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Description

📚 Elevate your craft game with Lewtemi’s robust bookboards—where durability meets design finesse!

BULK READY - 20 sturdy sheets provide enough material for multiple projects or sharing with your creative circle.
BUILT TO LAST - 80pt thick chipboard ensures your projects withstand daily wear and heavy use without bending or damage.
SMOOTH SAFE - Crafted from durable gray kraft paper with smooth edges, combining ruggedness with a premium finish.
PORTABLE PRECISION - Sized at 12.5 x 10 inches, these boards fit effortlessly into your workspace or bag for on-the-go creativity.
VERSATILE CRAFTING POWER - Ideal for book covers, boxes, and DIY crafts—unlock endless professional and personal applications.

Lewtemi’s 12.5 x 10 inch, 80pt thick gray chipboard pack includes 20 sheets designed for professional-grade bookbinding, crafting, and protective covers. Lightweight yet sturdy, these boards offer a smooth finish and reliable durability, perfect for millennial managers seeking quality materials that blend functionality with style.

Specifications

ASIN	B0C371KY28
おすすめ度	5つ星のうち4.5 712 レビュー
カラー	グレー
サイズ	7 x 5インチ
シート数	20
ブランド	Lewtemi
ブランド名	Lewtemi
メーカー型番	OB-Lewtemi-1749
商品のハイライト	ブックボード用品、カバー用デザイナーバインダーシート、ファブリックバインディング、DIYアルバム用の頑丈なクラフト。
商品の重量	0.33 キログラム
型番	OB-Lewtemi-1749
色	グレー

Reviews

N**T

Thick

Very sturdy

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ع**ي

تمام

رائع

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Q**E

Smoll

It’s smaller than expected, make sure to check measurements

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N**I

NOT GOOD FOR BOOKBINDING

If your looking for bookboard for making hardcover books this is not it, technically false advertising. This board is as thin as paper, perhaps good for paper crafts but not bookbinding. This is a return for me.

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D**M

Chipboard

Good quality. Durable

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¥17081

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Lewtemi ブックボード、製本用チップボード、12.5 x 10インチ 80pt、グレー 20枚

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