This precision pin pen weeding tool is a perfect choice for you to solve the problems of air release for vinyl craft. It helps you improving your work efficiency of vinyl craftUCT FEATURES ▶HIGH QUALITY: The tip of our vinyl tool pen refill for DIY craft are made of high-quality metal with high hardness, which is wear-resistant, not easy to rust and damage, suitable for long-term use. ▶HOE TO USE: After you attach the vinyl film to the surface of the item, you can use this air release pen tool to prick the air bubbles, and then use a scraper remove the air inside. ▶USE WITH A WEEDING PEN TUBE: The refills are suitable for all weeding pen tool we have, no need to buy a new weeding pen tube when the refill is broken. ▶RETRACTABLE DESIGN FOR SAFE USE: You can hide the sharp nib into the pen tube when you don’t use it to avoid being hurt.