Check the listing for details. PreAsion Circular Saw Blade Grinder Sharpener Machine 220V. Condition: New. Listed at 245.65 USD. PreAsion Circular Saw Blade Grinder Sharpener Machine 220V Parameter: Voltage 220V(if you need 110V, please contact with us) Grinding Wheel Size 4.92"(12.5cm) Bore Size of Grinding Wheel 1.26"(3.2cm) Adjusting Range of Grinding Wheel +/-20 degrees Power 250w Handle Turning Angle 30 degrees from left and 45 degrees from right Revolution 2850rpm Product Dimension 28.35"x16.93"x11.81"(72x43x30cm) Package Dimension 16.93"x16.93"x13.58"(43x43x34.5cm) Weight 70.4lbs (32kgs) centering arbor size 5/8" (15.87mm); 0.79"（20mm); 0.86"(22mm), 1" (25.4mm); 1.18"(30mm); 1.57"(40mm) Method of operation First ,loosing the fascia, then adjust the angle of grinding blade and fasten. Second, adjusting of center axle 1)Rotating the center axle to the grinding blade 2)Pushing the center axle to the right 3)Installing the saw blade ,rotate the wheel and decide the position of grinding surface saw teeth 4)Rotating the rotation table to ensure the angle of grinding blade. 5)The cross angle between the grinding surface and work surface is about 5° Third, adjusting of positioning assembly 1)Adjusting the saw blade to the best grinding position, rotating the positioning frame and fascia, 2)Adjusting positioning pin to the proper base of saw teeth and leave gap of grinding quantity, fasten the fixed screw Fourth, adjusting the center axle to the same gap of grinding quantity to the right Last, when all the parts are fastened, the saw blade supported with hand will be grinded 1.base 2.box body 3.end cover 4.rotatary base 5.rotary table base 6.rotary table 7.slide base 8.slide disc 9.table 10.guide nut base 11.guide screw 12.slide block 13.frame 14.board 15.positioning board 16.safe cover 17.press board 18.adjusting bolt 19.upright post 20.long bolt 21.short bolt 22.long handle 23.short handle 24.positioning pin 25.mat cover 26.diamond wheel 27.cover 28.motor 29.rear stuck disc 30.fore stuck disc 31.big pin 32.small pin 33.hand wheel 34.round handle 35.turret handle 36.earth foot 37.adjusting bolt base 38.fastening handle 39.switch 40.screw 41.lirnit pin 42.washe 43.cover Item Included: 1 set of 220V Saw Blade Grinder Machine (153025)