Adjustable from 3.7 ft – 9.0 ft. Mounts onto stands with 5/8″ ( 16mm ) Baby pin. Works with backgrounds and seamless up to 9′ wide. This Adjustable Background Holder Crossbar from Manfrotto

Specs:

• Max Length 9′ (2.7m)
• Min Length 3′ 7″ (1.1m)

Specified Operating Conditions:  Please remember this is cross bar is not intended for extremely heavy payloads. It will flex and bend if too much weight is placed upon it.