This is a MasterLock Lock known as the Flexible Shackle, model 4688D.
The Master Lock No. 4688D Set Your Own Combination TSA-Accepted Luggage Lock features a 1-3/16in (30mm) wide metal body for durability. The 1/8in (3mm) diameter shackle is 1-1/2in (38mm) long and made of vinyl covered flexible braided steel" offering resistance to abuse from baggage handling equipment. Transportation Security Administration (TSA) screeners can open" inspect and relock bags locked with a TSA-Accepted lock. Lock your checked baggage with the lock TSA screeners won't cut!
Features:
Easy to Set & Reset Combination
Flexible Cable
3 Dial Combination
