WORKSITE- Mitre Box and Back Saw Set - Reinforced Steel Back Saw for Accurate Cutting, Preset 45 Degree and 90 Degree Cuts, Saw with Box - WT6019 - MegahardwareTT
Walmeck 14-inch Mitre Box with Movable and Jaw for Back Saw Slot Angles 45/ 22.5/ 90 Degrees Cuts Sawing and Clamping Box for Woodworking - Walmart.com
Mitre box for easy perfect 45 degree cut - YouTube