Personalized Robbins Main Beam TBM - Mill Creek Big Tex configuration Tunnel Boring Machine Signet Ring

Robbins Main Beam TBM - Mill Creek Big Tex configuration Tunnel Boring Machine Signet Ring

A signet-style ring featuring original, unbranded machine artwork. The machine engraving highlights large near-solid circular cutterhead with cross-pattern cutter rows and peripheral buckets, short partial shield around the cutterhead and exposed central beam behind, long open trailing machinery decks with railings and conveyor.

Product details

• Finish options: Silver, Gold and Black.
• Sizes 7–13. Choose by the inner-diameter measurements shown in the size options and chart.
• Sample artwork shows CUSTOM NAME and SINCE 2000.

Colors may vary slightly across displays. This independent design is not an official manufacturer-licensed product.

Size chart

Compare the inner diameter of a ring that fits you with the measurements below.