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Pro-Lok GL 38mm
Pro-Lok GL 38mm
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Pro-Lok GL 38mm

Closure Systems lnternational's Pro-Lok GL 38mm is a two-piece design that is suitable for cold-filled products, such as probiotic drinks, energy drinks and carbonated soft drinks.

Pro-Lok GL 38mm provides exceptional closure performance, enhanced safety features, excellent consumer satisfaction and total systems support.

Excellent Performance

  • Compatible with 1768 Glass finish & CSl's PET bottle finish, finishes that are reduced in weight compared to the 1690 finish
  • Suitable for cold-fill processing
  • Holds up to 3.5 volumes of CO2 pressure
  • Easy to grip, 120-knurl exterior shell design
  • Disc lined design for a secure seal to protect product integrity
  • Tab-style tamper band provides maximum security

Designed to Drive Sales

  • Embossing / debossing option available to reinforce branding
  • Stock color selection or customized closure colors

Total Capping Solutions

  • Closures, capping equipment and unmatched technical service
  • Robust application performance
  • Application engineering expertise that delivers the lowest total cost of operations



Purchase Requests or Questions?

Product Detail

Markets Served

Non Carbonated Soft Drinks, Food

Application/Fill Processes


Material Types


Closure Diameters


Bottle Finishes

1768 Glass, Custom PET Finish

Bottle/Package Types

Glass Non-Returnable Bottles, Glass Returnable Bottles, Plastic Non-Returnable Bottles

Knurl Options


Seal Types

Two-Piece Lined

Tamper Evidence

Tamper Evident Band - Standard

Brand Names


Purchase Requests or Questions?

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At CSI, R&D is a crucial component of innovation and a key factor in developing new competitive advantages. CSI follows a disciplined New Product Development process, utilizes a creative space for ideation known as Studio C and provides differentiated technology platforms known as Studio C Creations.

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