Product Description Premium Titanium Material – Crafted from high-quality titanium for durability and a lightweight feel.Cross-Section Surface Design – The cross-section surface design enhances both the visual appeal and functionality of this wearable EDC toy.Damasteel Version Structure – Features the same internal structure as the damasteel version for consistent performance.Unidirectional Ratcheting – Can only be ratcheted in one direction, providing a smooth and controlled experience.No Beads – Unlike some other models, this version does not contain beads, maintaining a streamlined design.Non-Disassemblable – We recommend not disassembling the Pig Ring to maintain its structural integrity. Specifications Brand: YEDC Size #15: perimeter:54.97mm, inner diameter:17.5mm Size #17: perimeter:57.17mm, inner diameter:18.2mm Size #19: perimeter:59.06mm, inner diameter:18.8mm Size #21: perimeter:60.94mm, inner diameter:19.4mm Size #23: perimeter:63.14mm, inner diameter:20.1mm Size #25: perimeter:65.03mm, inner diameter:20.7mm Size #27: perimeter:66.91mm, inner diameter:21.3mm Size #29: perimeter:69.11mm, inner diameter:22mm