Aqua Marina Dual-Tech 2-in-1 Aluminum Isup & Kayak Paddle (3-4 Sections), 1mm thick aluminum with diam. Of 1.14 inch (29mm) 3-4 section shaft. 3-Section: 67" (170cm) 4-section: 75" (190cm), if 2 blades included: 90" (228cm) Blade material: 70% nylon + 30% fiberglass, size: 16.5" x 7.9" (42x20cm) Easy grip design