Total usage time is about 2 hours. The racket itself, with the racket protector applied, weighs approximately 86g. Black: Hybrid MK Pro Max Red: Kiryu 2, Thick (with finger marks) Both the racket and rubbers were purchased new. I haven't dropped or bumped it, but I apologize if I've overlooked anything. Please be aware that this item has been used, and only proceed if you are satisfied with its condition. The protective sheet is included as a bonus. Returns and complaints are not accepted.