ELGI-Ultra Wiper Version 2 For old 2 Liter Wet Grinder Model ELGI-Ultra Wiper Version 2 For old 2 Liter Wet Grinder Model The Wiper nut is close to the white plastic Wiper. This Wiper fits the units where the wiper is detachable from the horizontal SS rod. The replacement wiper is a single white piece only (no SS rod). You can remove the old wiper by simply pulling it out by hand.