Head Adaptive Tuning Kit - Speed Racquets

This kit allows you to add a spin friendly 16x16 string pattern to your Adaptive Speed racquet as well as customization of the weight of the racquet by including weighted side grommets that will allow you to add up to 5 grams (0.18 oz.) onto the racquet.
This kit also comes with handle spacers so that you can extend the length of your racket by 5mm, 10mm or 15mm.
The last feature of the kit is a weighted butt cap insert that allows you to add 10 grams of weight to the tail-end of the racquet.
This Kit comes with:

3 Grommet Sets
Heavy 16/19 (adds 5 grams / 0.18 oz)
Light 16/16 (no additional weight)
Heavy 16/19 (adds 5 grams / 0.18 oz)

3 Spacer Rings
+5mm (adds 0.2in / .51 cm)
+10mm (adds 0.4in / 1.0 cm)
+15mm (adds 0.6in / 1.5cm)

1 Butt Cap
Heavy (adds 10 grams / 0.35 oz)