The Jet 708817 Quick Change Knife Set for JET 15" Planers is a replacement planer knife set for keeping your thickness planer cutting cleanly and feeding stock the way it should. This is a planer knife set designed for replacing worn blades on JET 15-inch planers. Model Number 708817. If your current knives are nicked, dull, or leaving a rough finish, this set gives you a direct replacement without stepping into fitment guesswork.

JET includes three blades in this set, which matches the cutterhead setup used in compatible 15-inch planers. That matters because a complete matched set helps maintain even cutting across the full width of the board. When you replace all three at once, you are not chasing inconsistent finish quality caused by mixing old and new knives.

The quick-change design is the big selling point here. Planer knife changes can turn into a time drain if the blade setup is fussy, especially when you are trying to get back to production after a damaged edge. A quick-change knife set simplifies maintenance and makes routine blade swaps more manageable for shops and jobsite users who cannot afford a lot of downtime.

The blades are made from precision ground steel, which is what you want in a planer accessory like this. Precision grinding helps keep the cutting edge consistent from blade to blade, and that consistency shows up where it counts: smoother wood surfaces, fewer setup headaches, and more predictable results when you are planing hardwood, softwood, or glued-up stock.

At 15 inches long, these planer blades are sized specifically for the machines they are intended to fit. They are meant for wood cutting applications, and the straightforward steel construction keeps this set focused on what matters most: clean cuts, proper fit, and reliable replacement performance for your JET planer.

This accessory makes the most sense for woodworkers, cabinet shops, millwork crews, remodelers, and serious DIY users already running a compatible JET 15-inch planer. If you rely on your planer for finish passes or dimensioning rough lumber, keeping a fresh set of knives on hand is just smart shop practice. This is not an upgrade packed with fluff. It is the right maintenance part for keeping the machine productive.

Jet 708817 Quick Change Knife Set for JET 15" Planers Keeps a Good Machine Working Like It Should

This is the kind of maintenance part you buy before you need it, because dull planer knives never show up at a convenient time.

• Who it's for: Anyone running a compatible JET 15-inch planer for woodworking, millwork, or shop production.
• Why it stands out: You get a direct-fit 3-piece quick-change steel knife set that is built around easier maintenance and consistent cutting results.
• Worth knowing: This is a replacement knife set, not a universal planer accessory. Make sure your machine is a compatible JET 15-inch planer before ordering.

• What type of product is this? It is a quick-change planer knife set for JET 15-inch planers.
• How many blades are included? This set includes 3 planer knives.
• What material is it intended to cut? It is intended for wood planing applications.
• What are the blade dimensions? The blades are 15 inches long and 1 inch wide.