Personalized Akkerman SL74P Microtunnelling Machine Signet Ring

Akkerman SL74P Microtunnelling Machine Signet Ring

A signet-style ring featuring original, unbranded machine artwork. The machine engraving highlights large cylindrical white shield with diagonal blue stripe and top lifting eyes, blue broad circular cutterhead with central tool openings and curved radial cutting bars, smooth articulated outer shell designed to join a pipe-jacking string.

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.