Equipment › RETORT RING COMPLETE WITH BOSSHEAD - 125MM DIA (I.D.) Image 1 of 1 RETORT RING COMPLETE WITH BOSSHEAD - 125MM DIA (I.D.) $12.10 Code: LW4457-01 Add To Cart Added! Code: LW4457-01 125mm diameter (I.D.) 140mm stem.Material: Nickel/chrome plated steel. You Might Also Like Quick View RETORT RINGS WITH INTEGRATED BOSSHEAD - 100MM ID $11.00 Quick View RETORT RING WITH FIXED ANGLE BOSSHEAD 60MM DIA. $50.50 Quick View RETORT RING WITH FIXED ANGLE BOSSHEAD 40MM DIA. $45.25 Quick View RETORT RINGS WITH INTEGRATED BOSSHEAD - 50MM ID $9.20 Quick View RETORT RING WITH FIXED ANGLE BOSSHEAD 160MM DIA. $70.95