The 16” Solid Steel Spinlock Dumbbell Handles w/ Collars features two 16” spinlock dumbbell handles in the set. These spinlock dumbbell handles offer a 4 7/16” collar and come with four spinlock collars to secure your 1” standard plates. Spinlock Dumbbell Handles are easy to use and can be utilized by beginners and advanced weightlifters. Each handle features a brilliant chrome finishing to increase durability as well as complement your York Barbell standard plates.