Single Barrel standard wall thickness capillaries are offered either with or without inner filaments for quick filling in a variety of lengths and diameters. Two usable electrodes can be made from one 6-inch length. See the article for information on the physical properties of WPI glass.

Micropipettes made from thin wall capillaries have fine tips with a short taper. Thin Wall single barrel capillaries are offered both with or without inner filaments. The concentricity of this material provides excellent strength. See the article for information on the physical properties of WPI glass.

WPI's patch clamp glass has been selected in terms of the four properties most crucial to successful patch clamp studies: softening temperature, electrical properties, sealability, and leachable components. See the article for information on the physical properties of WPI glass.

Multi-barrel configurations are designed especially for microiontophoresis. Because the capillaries are fused together during manufacture, you will not need to twist them while pulling to seal the tips together. An inner filament in each barrel makes filling easy and fast.

To compare the various mulit-barrel configurations, see the Multi-Barrel Glass Capillaries article. See the article for information on the physical properties of WPI glass.

Septum Theta glass for superior cell impalement, Piggyback glass to fabricate two-barrel electrodes, and glass rods to make tools, probes, and tips.

To compare the various mulit-barrel configurations, see the Multi-Barrel Glass Capillaries article. See the article for information on the physical properties of WPI glass.