ACEgoes 12" Miter Box with Saw Included, Reinforced Steel Back Saw for Accurate Cutting, Preset 90 Degree 45 Degree 22.5 Degree and 0 Degree Cuts - Amazon.com
DUEBEL Mitre Box Set with 30cm Mitre Saw Back Tenon Saw Rigid Saw for Left/Right 0° / 22.5° / 45° Cuts for Woodworking : Amazon.co.uk: DIY & Tools
Mitre Box with 14-In. Back Saw | Castle Building Centres Group Ltd.
My newest favorite toy. Complete Ingersoll-Rand (Millers Falls Division) mitre box and Disston back saw, circa mid-1970s? Picked it up at the local Goodwill for $30. : r/Tools
How to Use a Miter Box - Advice From Bob Vila
Hyper Tough 12-inch Miter Box Handsaw and 14-inch Back Saw Set - Walmart.com