Fits both Low A and Bb models.

Specifications:

Height: 44.75"
Width: 16.5"
Depth: 11.5"
Weight: 13.5 lbs.
Exterior Features:

Durable 1000 denier nylon; water and abrasion resistant
Roomy exterior pocket
High quality YKK zippers
Nickel-plated hardware
Built-in organizer to hold pens, keys, and small accessories
Includes rugged carrying strap and ID tag
Interior Features:
Lightweight shock absorbing frame
Soft velvoa lining
Comfort & Convenience:
Padded handle grip secured by Velcro
Velcro 'quick lock'
Organizer built in exterior pocket
Shoulder strap included