Description: The skate is made of stainless steel, durable and strong. Can be installed in a variety of brands and styles of flat shoes, casual shoes. Without changing the bracket, remove the wheel directly and install it. Comes with a portable handheld blade sharpener, which only needs 3-10 seconds to restore a damaged skate blade and make it perfect again. Fine rolling wheels for better and consistent sharpening results. Specification: Material: Stainless Steel Color: Gold / Blue L (Adult Size) Size: approx. 28.9 x 4.3 x 0.3cm / 11.38 x 1.69 x 0.12inch Replacement for 72mm - 80mm wheels shoes Sharpener Material: Plastic, Sandstone Color: Black Size(LxHxW): Approx. 60x27x24mm/ 2.36x1.06x0.94 inch Adjustable Slot Width: 3-4mm Sandstone (LxDia.): Approx. 23x10mm Package Includes: 1 Pair Skate Blades Runners (With 16 Aluminium alloy plug) 1 Piece SKate Sharpener Note: Color maybe slightly different due to different monitor. The above size is measured by hand, please allow slightly difference. Thanks !