Model: A269A. NOTE: These are not stamped with any manufacturer identification, they were sold in bulk in a large box indicating Snap-On but can be used in any socket rail application with a 3/8" Drive.
Craftsman Metric 1/2" Drive Socket Rail Organizer Holder 11 Clips 17" Long USA
Ernst 8428 8"L 1/2" Drive Socket Rail Organizer with 7 Twist Lock Clips - Black
Unbranded Magnetic Socket Rail Organizer 12 360° Swivel 1/2" Clips
Snap On 10-3/8" Socket Rail Organizer 3/8" Drive 11 Slots Clips A269 A 269
NEW Snap On Tools A-270A 16" Socket Rail Organizer 1/2" Drive 15 Clips.