Dorian Turret

[bigbaz]

I have just got a nearly new dorian nvit8-75 manual turret, could any one who has used these tell me is it normal to have to posistion the head to about + or - 1mm before it can be locked into position, will it get better with some use or do you use a marker as a guide?

[bigbaz]

come on lads someone must have used one.