Sub or Dom/me o-ring bracelet is made of high quality stainless steel— 🔺8mm curb chain 🔺thick, solid 1” diameter ring. Discreetly wear your dynamic lifestyle on your wrist. 🔵 Closure choices both 24/7 wearable— 🔹Lobster Claw Clasp (easy on and off), or: 🔹 Permanent Locking Ring for 24/7; thick steel closure ring, 🔴 NOTE::: you’ll need ***TWO*** pairs of small pliers (ideally, flatnose) to open/close the locking ring; Pliers are >>NOT<< included, BUT: 🔴🔴 Need pliers? I have them in a separate listing. ADD TO CART after adding this collar to cart. For the pliers only, choose the last option for NO rings/pliers only: https://bdsmdaycollars.com/products/2-locking-rings-2-pairs-jewelry-44810 🟣 MEASURE — DO NOT GUESS Use measuring instruction photo in the listing. 🟣 Cut to order; not exchangeable or returnable. 💜 Thank you for being a responsible buyer.