Key-Bak Quick Release Side Slide, Pull Apart Key Chain Accessory with 2 Split Rings, Black Rectangle High quality import designed by the company that invented the original key security device Black plated brass pull apart key holder allows keys to be separated Rectangular quick release measures 3 inches (7.6 cm) long from split ring to split ring Nickel plated tempered steel .875 inch (2.2 cm) split-ring returns to original shape after expansion High quality import designed by the company that invented the original key security device