Lotus Connect Store › Retort Ring, Closed - 5.9" I.D. with 5.5" Stem - Plated Mild Steel - Eisco Labs Image 1 of 1 Retort Ring, Closed - 5.9" I.D. with 5.5" Stem - Plated Mild Steel - Eisco Labs $6.38 Closed Retort Ring made from plated mild steelInner diameter of ring measures 5.9"Rod diameter measure 0.25"Total length measures 12"Closed Retort Ring made from plated mild steel. Ring has a 5.9" I.D., 5.5" long stem, 0.25" diameter rod, and total length of 12".Eisco Labs plated steel retort ring with closed stem. Stem length is about 5.5" and the interior diameter is 6". Quantity: Add To Cart Added! Closed Retort Ring made from plated mild steelInner diameter of ring measures 5.9"Rod diameter measure 0.25"Total length measures 12"Closed Retort Ring made from plated mild steel. Ring has a 5.9" I.D., 5.5" long stem, 0.25" diameter rod, and total length of 12".Eisco Labs plated steel retort ring with closed stem. Stem length is about 5.5" and the interior diameter is 6".