Will this work with triangular-shaped regular size pencils?

I tried it on some triangular shaped Faber-Castell colored pencils and it didn't really work that well. The blade got caught on the corners.

Does this sharpener work for multiple pencil sizes- in particular the larger size for more beginning writers?

Not the one that I have. The opening is just for the standard size pencil.

Does this sharpen Prismacolor Premier pencils well?

Well, contrary to another answer....I don't have a problem sharpening my Prismacolor Premier. The Derwent coloursoft is a tight fit (it's thicker than prisma), but it will work. Derwent Inktense, Faber Castell polychormos, Irojeten all sharpen just fine. You do of course have to check the pencil after a few twists so you don't just sharpen the lead away.

Does it sharpen using a single straight blade or the spiral Blade?

It has a straight blade that is on a little pivot so that when you "twist" the pencil back and forth....not turn round and round, it sharpens it.

Twist-n-Sharp Handheld Pencil Sharpener

Product ID: 53434476

Details

Brand
Bostitch
Colour
PS1-ADJ
Material
Alloy Steel
Power source
Manual
Specific uses for product
Pencil

🎯Customizable sharp/blunt tip

🔄Fast ratchet sharpening

♻️Tip Saver tech extends pencil life

Description

✏️ Twist, sharpen, and own your workspace vibe!

PENCIL LIFE MAXIMIZER - Tip Saver Technology prevents over-sharpening, saving your pencils and your budget.
PRECISION TIP CONTROL - Adjust between sharp or blunt tips to match your creative or professional needs.
SLEEK SIDE DOOR DISPOSAL - Discreet, easy-empty side door keeps your workspace tidy and clutter-free.
EFFORTLESS TWIST SHARPEN - Smooth ratchet mechanism sharpens pencils quickly with a simple back-and-forth twist.
VIBRANT TRANSLUCENT COLORS - Stand out with bold purple, coral, or blue—portable style that fits your on-the-go lifestyle.

The Bostitch Twist-N-Sharp Pencil Sharpener features a ratchet mechanism for fast, effortless sharpening with customizable tip settings. Its Tip Saver Technology prevents over-sharpening to extend pencil life, while a discreet side door allows quick, mess-free disposal. Compact and portable, it comes in bold translucent colors, perfect for professionals who value precision and style.

Specifications

ASIN	B00IDVE9UA
Best Sellers Rank	191,705 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 740 in Pencil Sharpeners
Item model number	PS1-ADJ
Manufacturer	Amax Inc.
Product Dimensions	3 x 8.99 x 14 cm; 4.54 g

Reviews

L**9

Excellent

Bit more expensive than others I have bought but much better

19.10.2021

M**A

Excellent tool

Excellent had been strongly recommended for use with Polychrome pencils and it does indeed work very well

17.06.2019

A**R

Brilliant product

Excellent pencil sharpener, best I’ve ever tried!

2.07.2019

S**N

price increased over 600%

I bought this product last year from amazon when it was just over £2 as an add on item but no way would I pay £13.35 for it how ever desperate I was for a sharpener

2.05.2020

R**N

Star buy

Excellent product and service

19.07.2019

V**N

excellent , my granddaughter is going to love it

10.12.2024

R**L

Received in good condition and sharpens well.

26.10.2024

S**F

Too overpriced

6.06.2025

A**A

Spitzt super an und entleert sich auch nur wenn man es möchte

25.09.2025

A**T

I don't often write reviews, least of all for pencil sharpeners (of which I can recall having purchased only one other), but I feel confident--and, indeed, compelled by my confidence--to declare to the world: THIS IS THE BEST MANUAL PENCIL SHARPENER EVER CREATED. It does what you expect (i.e., sharpen your pencil); it does it very well (i.e., makes it sharp without breaking the lead or chipping the wood); and it is compact, ergonomical, and attractive besides. Don't spend another moment deliberating--this is the one.

2.01.2026

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