Looks the same on the outside as the Classic Mini-Bak, but inside is a heavy duty spring with enough pull for carrying multiple ID cards or heavier proximity cards. Cord Length of heavy duty spring version is 24".
Patented Twist Free end fitting fits to the reel to keep your card from twisting.
1-1/4" in diameter, Standard Slide Clip, Dark Grey with no trim.
A label with your custom imprint can be affixed to the reels. The round case style fits a 3/4” diameter label. The square case fits a 13/16” x 13/16” square label. Choose a standard label or the lustrous domed label
more info about Imprints On retractable Reels (Standard)