Counterbalance weight. sku 102-15 ,20,25
Use the 4 or 5 gram version with headsail boom end fitting ref. 101-65. The quoted weight does not include the shaft weight. The shaft weighs 1.5 grams, is 75 mm long and 1.8 mm Ø.

Use the 15, 20, 25 and 35 gram versions with headsail boom end fittings ref. 101-080, 101-100, 101-110, 101-120, 101-140, 101D. The quoted weight does not include the shaft weight. The shaft weighs 3 grams, is 125 mm long and 2 mm Ø.