SPECIFICATION: Material: Plastic PC Body Shape: Butterfly Weight:Green 66.1g Diameter: 55.3mm Gap Width: 4mm, Axle:M4*8mm Bearing: Narrow C Bearing Surface: Shining Finish Style: String Trick (1A, 3A, 5A) PACKAGE INCLUDED: 1 x K2 CRYSTAL Red 12 x Yoyo Strings (random color) 1 x Yoyo Bag 1 x KK Bearing ( Unresponsive ) 1 x Axle 10mm (for Unresponsive Bearing) 1 x Bearing Remover