windshield adhesive fluid scratch crack repair kit remover for car Nano original broken window liquid glue Restore cellphone screen cracked automotive

Features:1. Because the air in the cracks will block the penetration of the repair fluid. We have the vacuum function to remove the air in the cracks quickly.2. The enhanced sealing rubber injection head can generate strong pressure to force the repair fluid into the cracks.3. Imported repair fluid (this is very critical), up to 20PA shear strength.