Your partner will be at your beck and call wearing this sleek Chrome Slave Collar! Featuring a stunning chrome finish, this collar looks as erotic as it feels. Exhibit true dominance by locking your partner into this o-ring compatible collar, attaching your favorite leash, and having them do your bidding! Open and close using the included Allen wrench. Small Size. Inside diameter measures approximately 4.75 inches. From XR Brands.