This item has already been pre-strung from the manufacturer with durable string tension around 20lbs.

 

Flex	Hi-Flex
Frame	HT Graphite
Shaft	Graphite
Length	10 mm longer
Weight / Grip	4U (Avg. 83g) G5
Stringing Advice	4U: 20 - 30 lbs
Color(s)	Yellow
Made In	China