Ball screw support unit for 8mm machined end of 1204 or 1604, 1605, 1610, 2004, 2005 ball screws. BF10 253 grams, FF10 60 grams or EF10 297 grams which works in pair with BK10, FK10 or EK10 BF12, FF12 and EF12 floated side support unit for 1604, 1605, 1610, 2004, 2005 ball screws. Float sides BF10, ...