CAVINESS Power Grip, lightweight, economical, and even distribution of flex load are the reasons that these oars have set the American standard. A wedge insert in the end of the blade virtually eliminates blade splitting for long life. Standard features: Wedge Insert, Red Caviness Power Grip, and Tri-Coat Finish. Approximate blade dimensions: 5" x 21". Shaft dimensions at grip: 1 3/4", at throat 1 5/8".