Magic Metal Dagger Knife Double Ring Adjustable Knuckle Medieval RF32 Silver Tone Excalibur Sword Fashion Jewelry Ships from the USA Dagger Knife Double Ring. Antique finished design. Ring Size: Adjustable (Larger Band Stock Size 7.5; Smaller Band Stock Size 6.5). Sword Length Measures 2" Makes a great gift. Search Magic Metal Jewelry for more jewelry styles.