The GSB430 is an inner sleeve connector made of electro tin-plated copper alloy for a shielded cable grounding system made of 2 cylindrical sleeves, for solderless crimp connection. Length 19/32 Inch/15.2mm, inner diameter .430 Inches/10.92mm, outer diameter .500 Inches/12.70mm. The sleeve is color-coded according to their size. The color code is red.