Double Seam Ripper. Allows for two ends to be compactly showed for safety and flipped around individually for use. Interior springs hold ends firmly in place in both stowed and 'in use' configuration.
 
Body of seam ripper is Acrylic plastic and is 3.125 inches long (excluding ends) and approximately 1/2 to 5/8 inch in diameter at largest size. With both ends stowed, length is approximately 5 1/4 inch.
 
The Double Seam Ripper comes with the small seam ripper end and the stiletto end.