A second set does change as well, but I haven't figured that one out yet. I’m a remodeling contractor, and I have used this saw to cut through a wide variety of materials and I’ve never had any issues. Circular Saw and Jig Saw with (2) 6.0Ah Batteries, M18 18-Volt Lithium-Ion Cordless SAWZALL Reciprocating Saw (Tool-Only), M18 FUEL 18-Volt Lithium-Ion Brushless Cordless HACKZALL Reciprocating Saw & M18 Caulk Gun with Two M18 6.0Ah Batteries, M18 18-Volt Lithium-Ion Cordless Hackzall Reciprocating Saw (Tool-Only), 9 in. I’ve had this saw for a few years now and I can say enough good things about it. Variable with a 3,000 max... just over 1 inch with an adjustable table for depth control. The M18 FUEL SAWZALL Recip Saw is lighter weight than the previous generation and features an adjustable shoe, integrated LED light, and a hanging hook for convenient storage on the job. Battery charger doesn't look as cool as competitor's and could be more compact. They hold up very well, batteries last, and a 5 year warranty on the tool are some of the reasons I choose Milwaukee over other brands. If you're in a messy environment, our outdoors, this can be horrible, forcing debris into the motor-housing's vents. 7 TPI Torch Carbide Teeth Metal Cutting SAWZALL Reciprocating Saw Blade (1-Pack), SAWZALL Wood and Metal Cutting Bi-Metal Reciprocating Saw Blade Set (10-Piece), SAWZALL Demolition Nail-Embedded Wood and Metal Cutting Bi-Metal Reciprocating Saw Blade Set (13 Piece), 9 in. This battery-powered Milwaukee Sawzall is a M18 fuel reciprocating saw. Anvil High Torque Impact Wrench w/ ONE-KEY, Features LED light, hang hook and adjustable shoe, M18 FUEL SAWZALL Reciprocating Saw cuts faster than its corded counterparts and offers up to 2x more runtime and 5x longer, POWERSTATE Brushless motor: supplies constant power for faster cuts and reduced heat for extended life, Delivers faster than corded cutting speed and the durability of a corded saw, Includes (1) M18 FUEL SAWZALL® reciprocating saw (bare tool) (2720-20), (1) M18 and M12 multi-voltage charger (48-59-1812),(2) M18 REDLITHIUM XC5.0 extended capacity battery pack (48-11-1850), (1) blade, (1) carrying case, Up to 2x more run time, 5x tool life and 30% faster cutting, Two 5.0Ah Batteries, Hard Case, Charger Included, Fully compatible with the M18 system, featuring over 200+ tools, M18 FUEL 18-Volt Lithium-Ion Brushless Cordless HACKZALL Reciprocating Saw/Circular Saw/Grinder Combo Kit (3-Tool), M18 FUEL 18-Volt Lithium-Ion Brushless Cordless HACKZALL Reciprocating Saw Kit W/(1) 5.0Ah Batteries, Charger & Tool Bag, M18 18-Volt Lithium-Ion Cordless Switch Tank Backpack Pesticide Sprayer & FUEL 120 MPH 450 CFM Handheld Blower Combo Kit, M18 FUEL 18-Volt Lithium-Ion Brushless Cordless 6-1/2 in. If youre having trouble locating a lost tool, expand your search with the help of anybody with the ONE-KEY app.