... anodized tubes.7. Hardness:64HRC blade, bimetal blade (CE standard & export standard) 8. Blade thickness 1.1mm 9. Blade mounting: 139.5mm(12", ... 165mm (14"-17.5") 10. Great Quality entry level blade Packing information:1pair/colorful box (36x12.5x40cm), 5pairs/carton (63x38x42cm ... on your preferred skate package.Picture Show: Ice Skate with Carbon Boot ,PU Wheel,Inline Speed Skate,Quad Skate,Roller ...