Eyestraps are useful accessories. They form light-duty mounting bases for blocks, serve as lash-down points, and can be used for fairleads.
Can be used as a fairlead for Harken 279 camcleat.

A (mm)
36 mm

A (in)
1 7/16 in

B (mm)
12 mm

B (in)
1/2 in

C (mm)
27 mm

C (in)
1 1/16 in

D (mm)
11 mm

D (in)
7/16 in

E (mm)
10 mm

E (in)
3/8 in

F (mm)
11 mm

F (in)
7/16 in

Height above cam (mm)
12 mm

Height above cam (in)
1/2 in

Length (mm)
36 mm

Length (in)
1 7/16 in

Weight (g)
4.5 g

Weight (oz)
0.16 oz

Fasteners (mm)
4 RH mm

Fasteners (in)
#8 RH in

Fastener spacing (mm)
27 mm

Fastener spacing (in)
1 1/16 in

Fits cam
338, 423

Breaking load (kg)
454 kg

Breaking load (lb)
1000 lb