(Click to see larger image) Narishige's HA-4-7 electrode holder adaptor is used to attach a 4mm injection holder or electrode holder to a 7mm electrode holder-compatible manipulator.

*This is a Group-2 Product. This is a Narishige "Group-2" special order item. Because it has to be custom-made for you, there is usually a 4-week lead time and it is non-cancellable and non-returnable once ordered. Prices for Group-2 items change often, and, like all of our website prices are subject to change without notice, so always double-check with us prior to placing an order for this item.