We all grew up with the X-acto brand knife and still call our cutting knives “x-acto knives.”
However, the x-acto blade of today is made of a very cheap steal that dulls and breaks very easily.
We recommend Excel of OLFA blades.

Recommend cutting knives for stencils and tape:

Excel K1 Knife with Safety Cap $2.78
Excel K2 Knife with Safety Cap $3.76
Excel K4 Craft Swivel Knife $6.13
Excel Deluxe Retractable Knife with Clip $12.47
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Excel Light Duty Utility Knife $1.62
Mask Master Frisket Cutter $29.90
Olfa Touch-Knife $2.13
PLAID Stencil Cutter (Stencil Burner) with 2 Tips $15.21
OLFA® Compass Cutter $9.69
Excel Single Edge Razor Blades – Box of 100 $11.38
Excel No. 11 Knive Steel Blade – 15 Pack Dispenser $7.48
Excel No. 11 Blade – 100 Pack $29.31
Excel No. 11 Knife Art Blade – 5 Pack $2.14
Excel No. 2 Knife Blade – 5 Pack $2.43
Excel Retractable Knife Blade – 5 Pack $4.03
Excel Swivel Knife Blade – 2 Pack $3.02