Women's Collar Necklace Set. Modern Statement Silver Metal Thick Coiled Rigid Metal Hollow Collar Necklace Featuring Graduated Design. Collar Graduates in Size to Center XLarge Open Coiled Wire Detail. Center Open Wire Detail measures 9.25" wide. 2.25" long. 2" deep. Lobster Clasp Closure. Includes Matching Ball Stud Post Backing Earrings.