This part is compatible with the following Hitachi machines: CM4SB2 4" Dry-Cut Masonry Saw, WR22SA 3/4" Impact Wrench, C8FB2 8-1/2" Twin Rail Sliding Compound Miter Saw, CR13V 10 Amp Reciprocating Saw, CR13VA Electric Variable Speed Reciprocating Saw, CR13VBY 12 Amp Low Vibration UVP Reciprocating Saw, KM12VC 2-1/4HP Variable Speed Fixed/Plunge Base Router, M12VC 2-1/4HP Variable Speed Fixed Base Router, S18SB 7" Vertical Sander, SP18VAH 7" Disc Sander/Polisher, SB8V2 3" x 21" Variable Speed Belt Sander, M12SC 2-1/4HP Single Speed Fixed Base Router, KM12SC 2-1/4HP Single Speed Fixed/Plunge Base Router, SB75 3" 2-speed Belt Sander, SB10T 2-speed Belt Sander, SP18SA 7" Polisher, SAT180 7" 2-Speed Disc Sander/Polisher, S18SA 7" Sander, WH22 3/4" 10 Amp Square Drive Impact Wrench, C10FS Slide Compound Saw, C8FB Slide Compound Saw, C7SA Circular Saw, C7SC Circular Saw, CR12V Reciprocating Saw, CR13VB Reciprocating Saw, CR13VC Reciprocating Saw, D13Y 1/2" Right Angle Drill, 6.2A F-30A Electric Planer, G13SC 5" Disc Grinder, 9.6Amp H30PV Hammer M8 Router, M8V 1/4" Router, 1-1/2HP 7.3Amp Electronic Variable Speed SP18V 7" Electric Disc Sander Polisher, SP18VA 7" Electric Disc Sander Polisher, TR8 Router VB13Y 1/2 Motorized Rebar Cutter/Bender, WH22SA Impact Wrench, CR13V2 Reciprocating Saw, DH38MS Rotary Hammer, DH38YE2 Rotary Hammer, C7ST Circular Saw, DH28PC Rotary Hammer, H41MB Hammer Drill, G13SC2 Disc Grinder, C10FSH Slide Compound Saw, C10FSB Slide Compound Saw.