Description Ferrule for stainless steel tubing that allows connection to glass tubing. Roll On Ferrule. Requires roller tool 1001-202 Dimension drawing in detail images at left. GEA 4999-1000-652 B = 2.0 inch A = .812 inch Related items; 1000-252 Glass Coupling kit for 2 inch 1000-075 Glass Gasket for 2 inch 1001-202 Rolling Expander for 2 inch stainless steel tubing 12/22
