The Duncan Speed Pro Z Yo-Yo is a high performance looper yo-yo with a narrow string gap. Center weighted for stability- it features a ball bearing axle and a friction sticker return system. Ideal for all levels of looping tricks- the Pro Z includes an extra set of mod spacers for advanced play and features a take-apart design. ****Features:*** Duncan Pro Z Yo-Yo*** Made Of High Quality Plastic*** Mod Spacers Allow You To Transform It From A Looping Yo-Yo To A String Trick Yo-Yo*** Ball Bearing Axle For Long Sping Time And Tricks****Dimensions:*** Duncan Pro Z Yo-Yo - 2*