StreetWise Security Products 5in Expandable Bo Staff 3.51lb 22in-59in Military-Grade Aluminum Alloy Construction. 51lb. Length collapsed: 22in. Length expanded: 59in. Military-grade aluminum alloy construction. Rubberized diamond design grip. Includes two end caps that are needed when using as individual batons. Can be used as one expandable 59in staff or two 31in batons. Specifications for StreetWise Security Products 5in Expandable Bo Staff: Manufacturer: StreetWise Security Products Length: 59 in 22 in Weight: 3.51 lb Package Contents: StreetWise Security Products 5in Expandable Bo Staff StreetWise Security Products SW5EBS: 5in Expandable Bo Staff 3.51lb 22in-59in Military-Grade Aluminum Alloy Construction