Model: PBG-150 6" Professional Bench Grinder Power: 115V / 230V, 50Hz/60Hz, 375W. No-load Speed: 3550rpm / 2950rpm. Wheel Size: 6" x 3/4" x 1/2" Net Weight: 10 kgs. Model: PBG-150L 6" Professional Bench Grinder with Working Lamp Power: 115V / 230V, 50Hz/60Hz, 375W. No-load Speed: 3550rpm / 2950rpm. Wheel Size: 6" x 3/4" x 1/2" Net Weight: 10.4 kgs. Model: PBG-200 8" Professional Bench Grinder Power: 115V / 230V, 50Hz/60Hz, 520W. No-load Speed: 3550rpm / 2950rpm. Wheel Size: 8" x 1" x 5/8" Net Weight: 17.6 kgs. Model: PBG-200L 8" Professional Bench Grinder with Working Lamp Power: 115V / 230V, 50Hz/60Hz, 520W. No-load Speed: 3550rpm / 2950rpm. Wheel Size: 8" x 1" x 5/8" Net Weight: 18.2 kgs.