The StringKing(R) Type 4F Mesh Stringing Kit is designed to be lighter, tighter, and thinner. The Type 4 delivers faster shots, more control, and better feel. Tri-Twist(TM) Technology Twisting three individual fibers before weaving them together increases feel and control, reduces weight, and gives a faster shot Control and Responsive Pocket Perfect amount of texture and elasticity Slightly thinner construction than the outer rails creates a pocket that reacts to your play to keep the ball right where you want it 20 grams is the thinnest and lightest mesh, it forms a versatile, responsive pocket for better ball control and increases head speed Kit Includes Type 4F mesh 4 sidewall strings 1 bottom lace 3 shooting laces 2 shooting cords