One Drop Flow Groove Pads 4 Pack

Flow Groove Red 4 pack:  Fits Original Flow Groove size but it's less responsive.

Original Flow Groove Pads 4 Pack(For use in all One Drop YoYos made after the M1 – and some M1s)

19mm Flow Groove Pads 4 Pack (compatible with K-Pad, Slimpad, 19mm Pad, Duncan Large SG pad)

.555 for older models 4 Pack (Project, Markmont Project, and some M1s)