Amazon.com: Universal Type Saw Blade, Compare the Holes on the Picture of the Blade and Your Pruner Pole and See if They Can Match Up, Pole Pruner Blade Replacement, Razor-Sharp Curved Blade
Fiskars 15 in. Steel Pole Pruner Blade for Tree Pruner 93336966K - The Home Depot
PS 80 Arboriculture Saw - Hand Pruning Saws | STIHL USA