Extends from 117 cm/46 in to a maximum of 212 cm/83.4 in Load capacity: 7 kg Max Extension and 30 kg Min Extension Uses a 16 mm/ 5/8 in Welded Baby Spigot or Stud Attachment Built-In D200 Grip Head for Superior Locking & Smooth Operation Built-In Hook for Attaching Sand Bags for Counter-BalanceClique aqui para mais informação