Navtec Stemball Cup Washer-5/8 ID-1 OD Flying Scot 5 mm Height (in) 2

5 mm Height (in) 2 13/16 in A (mm) 17 mm A (in) 21/32 in B (mm) 45 mm B (in) 1 25/32 in C (mm) 113 mm C (in) 4 7/16 in D (mm) 34

30 Gear ratio - 2 9

Sheave Ø (mm) 40 mm Sheave Ø (in) 1 9/16 in Length (mm) 86 mm Length (in) 3 3/8 in Weight (g) 49 g Weight (oz) 1

TABS SUP-->Manufacturer part #: J200-1616

Less support may be desired if the mainsail is not stored on the boom or the Boomkicker is used to just lift the boom in light air for sail shape

Navtec Stemball Cup Washer-5/8 ID-1 OD Flying Scot 5 mm Height (in) 2Product Description Features TABS SUP > Manufacturer part #: N640 M07 DescriptionN640 Stemball Cup Features American Metric Outer 1. 02 in 26 mm Hole 0. 64 in 16. 30 mm TABS > Manufacturer part #: N640 M07 Made from 316 Stainless Steel. Used with N641 Stemballs to increase head diameter.