Mold Double hull in RTV silicone 139.
These lats of 3 g - 5.2 g - 9 g - 17 g and 24.4 g will be inserted in the mold head-to-one ref. 75003. They will be positioned using 2 strands of piano rope ref. 77079.

These 5 ballasts will obtain steelhead 9 g - 11 g - 14 g - 21 g and 28 g.