Lightweight stainless steel tunnel with black nitrile rings secured in annular grooves. Discreet when worn under clothing. This product is appealing and useful for putting chains, ropes and bars through the tunnel. Easy to use and put in the piercing (no screws or balls). Available gauges: 6mm (2g), 8mm (0g) (5/16"), 10mm (00g) Wearable Lengths available: 10mm, 12mm, 14mm, 16mm The length of the entire bar is different to the wearable length. The wearable length refers to the part between the two black nitrile rings. The complete bar lengths are as follows: 10mm gauge x 16mm wearable length will be a 26mm long bar 10mm gauge x 14mm wearable length will be a 24mm long bar 10mm gauge x 12mm wearable length will be a 22mm long bar 10mm gauge x 10mm wearable length will be a 20mm long bar 8mm gauge x 16mm wearable length will be a 24.5mm long bar 8mm gauge x 14mm wearable length will be a 22.5mm long bar 8mm gauge x 12mm wearable length will be a 20.5mm long bar 8mm gauge x 10mm wearable length will be a 18.5mm long bar 6mm gauge x 16mm wearable length will be a 23mm long bar 6mm gauge x 14mm wearable length will be a 21mm long bar 6mm gauge x 12mm wearable length will be a 19mm long bar 6mm gauge x 10mm wearable length will be a 17mm long bar These items go through several machining process which then end with polishing to a mirror finish and a thorough quality check. We believe our items have the best quality on the market. Care should be taken when purchasing our items due to the nature of the products and the intimacy. We offer many different sizes with a lot of our products, so please take care when choosing. Please note: there may be a handling charge or custom fees on the parcel depending on country of destination.