This weeding tool is 3/8" in diameter and 5" long.  It has a super sharp needle point for piercing and picking. 

• Super sharp point is used to pop trapped air bubbles
• Needle can be used to weed very small vinyl lettering
• Inexpensive tool for sign makers and crafters
• Also known as pickers, weeding tools or bubble popper 
• Excellent for picking the back of adhesive material or vinyl lettering

Widely used in the sign industry and crafting such as scrapbooking.