Meco R188 6.35x12.7x4.763mm Ball Bearing 10 Beads Ss420 Bearing Nano Balls For Fidget Hand Spinner

Description: 6.35x12.7x4.763mm AISI420 Stainless Steel R188 Ball Bearing Nano Steel Balls for Fidget Hand Spinner Specification: Materia AISI420 stainless steel(ring)+nano steel (balls) Model R188 Inner diameter 6.35mm Out diameter 12.7mm Thickness 4.763mm Turning Time itself: approx.20-40seconds Turning Time in spinner: approx 2-6 minutes. Features: Not easy to rust because of made of stainless steel Low noise,good stability,high speed and durable. Fitting for fidget hand spinner Note: The actual turning time depends the structure of your spinner and your proficiency. Package Included: 1 x Stainless Steel R188 Balls Bearing More Details: