Specifications: 5*7*775mm, 6.6*7.82/7.92*711mm, 6.6*7.82/7.92*762mm, 6.6*7.82/7.92*812mm. Straightness: 0.2%, 0.3%, 0.4%, 0.5%. Spine: 300, 340, 400, ...Explore More
