[Unresponsive Yoyo Bearing]Size C 6.35mm x 12.7mm x 4.762mm, Fits for most unresponsive ball bearing yoyos, Such as for Magic unresponsive yoyo seriesT5/T8/N5/N6/N9/N11/N12/M001/M002/Y01/K1/V3 /T9... [Responsive Yoyo Bearing]Size C 6.35mm x 12.7mm x 3.175mm, Fits for most responsive ball bearing yoyos, Such as for Magic responsive yoyo series K1 / V6 / K7 / D2/ V3/ T9 ... [Bearing Remover Tool ]Length 68mm, outer diameter 6.35mm, easy to any size C bearing without harming or damaging your yoyo. [100% Polyester Yoyo String]About 113cm/44.4 inches long, can be adjusted the length by yourself. Yoyo string is made of 100% Polyester, very .(colors in random, don't accept the specified color). Colour: as shown Material: Bearing + polyester Package Contents: 4 x 10-ball golden non-response yoyo axes 4 x U-shaped 8-ball non-response yoyo ball bearings 4 x narrow C response yoyo ball bearings 2 x bearing removal tool 12 x ball strings (random color, don't accept the specified color) 6 x x 8 ball shafts 6 x x 10 ball shafts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.