Use the 237 and 339 where there is little deflection in the line such as when routing a spinnaker pole foreguy aft along the cabin house.
|A||27 mm||1 1/16 in|
|B||19 mm||3/4 in|
|Maximum line Ø||6 mm||1/4 in|
|Fastener spacing||18 mm||.71 in|
|Fasteners||4 RH mm||#8 RH in|