KEY-BAK has been producing the most popular and widely used badge yo-yo in the US government for over 50 years.
The retractable Kevlar® cord is very heat resistant, withstands high loads and offers extremely low elongation values.
This Kevlar® fibre PLUS has been proven to withstand over one million pulls at 27 kg.
A practical alternative in card holder or key attachment options and are widely used where a key, company badge, visitor badge or normal admission ticket should always be within reach.