mechanical engineering - Why are most jigsaw blades designed to cut on the up stroke and have teeth that point towards the shank? - Engineering Stack Exchange
DEWALT 4 in. 10 TPI Laminate Down Cutting Jig Saw Blade (2-Pack) DW3712H2 - The Home Depot
Bosch 3-1/4-in 20 Tpi T-shank Bi-metal Blade Set (3-Pack) in the Jigsaw Blades department at Lowes.com
DEWALT 4 in. 10 TPI T-Shank Wood Down Cutting Jig Saw Blade (5-Pack) DWAJTIBC450DT5 - The Home Depot