Quad (Q)Quad (Q) Available in:19 sizes, 7 colors, Standard Diameter 31/32Side 1:Perfect Oval Milled Oval with Smooth or Mesh Surface designed as a true, milled oval shape. This oval shape is flat through the center and is the most like the shape of your fingertip giving you a very natural and relaxed fit. Use mesh textured surface for a tackier feel.Side 2:Power Oval has 1/8 forward pitch for more subtle increase in loft. The finger pad has a contoured shape and smooth surface. Ideal for most bowlers.