
Weight D is the fourth in the Kegelbell weight system. It weighs 240 grams and will double the weight of the original kit.
After a customer can use the smallest insert with all three weights, provided in the original kit, combined [A+B+C] it is time to add this fourth weight. If you include the weight of the bulb, you get the following combinations of weight:
270 grams D
300 grams D+A
330 grams D+B
360 grams D+ A+B
390 grams D+C
420 grams D+A+C
450 grams D+B+C
480 grams D+A+B+C