20MM ALUMINUM HOLE PUNCHED SEALS

For vials with a 13x20mm crimp finish (13mm hole opening and 20mm outer rim diameter). No need to tear out the center metal perforation; these seals are constructed with the hole already formed and a nice, smooth finish. 

Ideal for use in automated vial filling machines. 

For Faster Product Locating You Can Use The Color Category On The Left To See All Sizes Available In That Color.