The model 252 is the most versatile drill and tool grinder available toda y. The 252 can grind odd-fluted tools (1,3,5,& 7) as well as even-fluted (2,4,6, & 8) This is achieved with the use of a unique dual-cam workhead. The inner cam drum is rotating at a 21 gear r ation to grind even- fluted tools. The outer drum is turning at a 11 ratio for odd-fluted to ols. The model 250A and 380 have the 21 ratio only. All models use hardened cams and the cam ch ange takes only 5 seconds. When no cams are in place, the workhead can be used to spin gri nd or index grind (12 positions). Capacity 3/32" x 2" dia. Straigh t or taper shank Drill point angles 40 to 180 degrees Motor Totally enclosed fan 1/2 HP A/C Motor Dimensions 44"W x 42"D x 53"H Weight (est.) 730 lbs