A comfortable and properly fitted grip is essential to a good release. In addition to adding to your enjoyment of the game and preventing sport injury, a properly fit grip can add revolutions, create more ball speed and make the ball feel lighter. Adding finger and/or thumb inserts to your equipment will also give you consistent feel when using a variety of different bowling balls. Turbo insert products and accessories offers the greatest selection of styles, textures, sizes and colors to ensure you get the fit and feel that's right for you. QUAD 4-N-1 Inserts Our multifunctional inserts are offered in several different style combinations. Patented glue groove outside. Easy to read size indicators on the inside and outside of all multifunctional inserts. Durometer hardness: 40 Shore A NEW Power-SB Side 1: Semi-Super Bump or Relaxed Finger Tip Side 2: Power Lift 1/4 inch Available in 19 sizes and 4 colors Power Regular: The Power Regular has 1/4 inch forward pitch increasing the loft and length of release through the target. The finger pad has a flat edge and smooth surface for a sharp, clean feel. Semi Finger Tip, or Bump Grip: The Semi finger tip insert has a smooth, rounded bump close to the front edge of the insert. When properly fit, the bump rests between the first knuckle of the finger. It is designed for a more relaxed grip and ideal for bowlers who suffer from arthritis or have weak grip pressure.
