Stainless steel tack adapter tangs are used to adapt pin diameters on headstays to the standard clevis pin size that comes on the Harken Small Boat underdeck furling unit. A third hole accepts lashing to adjust jib luff tension.

Tang hole to tang hole length (mm)
38 mm

Tang hole to tang hole length (in)
1 1/2 in

Maximum luff wire Ø (mm)
4 mm

Maximum luff wire Ø (in)
5/32 in

Length (in)
2 9/16 in

Length (mm)
65 mm

Width (in)
2 1/4 in

Width (mm)
57 mm

Upper pin Ø (mm)
8 mm

Upper pin Ø (in)
5/16 in

Lower pin Ø (mm)
11 mm

Lower pin Ø (in)
7/16 in

Weight (g)
147 g

Weight (oz)
5.2 oz

Maximum working load (kg)
1361 kg

Maximum working load (lb)
3000 lb

Use with furling unit
478