Feature:1. Yoyo replacement accessories include 2 responsive yoyo bearings with 2 short axles, 4 unresponsive yoyo bearings with 4 long axles, 6 yoyo strings, 1 bearing remover, 4 replacement rings.2. Made of stainless steel, corrosion-resistant and durable.3. High precision bearings for smooth, quiet spinning.4. Bearing remover with a split ring for easy attaching to your keychain or backpack.5. Great replacement pack for your yoyo ball.Specification:Features:Yoyo replacement accessories include 2 responsive yoyo bearings with 2 short axles, 4 unresponsive yoyo bearings with 4 long axles, 6 yoyo strings, 1 bearing remover, 4 replacement rings.Made of stainless steel, corrosion-resistant and durable.High precision bearings for smooth, quiet spinning.Bearing remover with a split ring for easy attaching to your keychain or backpack.Great replacement pack for your yoyo ball.Specifications:Material: Stainless steelBearing Removal Tool: 68 x 6.9mmUnresponsive:Bearing: 6.35 x 12.7 x 4.762mmBearing Ball: 10 ballsAxle: M4 x 10mmResponsive:Bearing: 6.35 x 12.7 x 3.17mmBearing Ball: 8 ballsAxle: M4 x 8mmPackage List:1 x Bearing Removal Tool2 x Responsive Bearing2 x M4x8mm Screw for Responsive Bearings4 x Unresponsive Bearings4 x M4x10mm Screw for Unresponsive Bearings4 x Replacement Ring6 x StringPackage List:1 x Bearing Removal Tool2 x Responsive Bearing2 x M4x8mm Screw for Responsive Bearings4 x Unresponsive Bearings4 x M4x10mm Screw for Unresponsive Bearings4 x Replacement Ring6 x String