The 240 and 241 are simple swivel bases for main and jib sheets on very small boats or for control lines on boats of all sizes. Height (mm) 62 mm Height (in) 2 7/16 in Weight (g) 213 g Weight (oz) 7.5 oz Minimum line Ø (mm) 3 mm Minimum line Ø (in) 1/8 in Maximum line Ø (mm) 12 mm Maximum line Ø (in) 1/2 in Fastener spacing (mm) 26 mm Fastener spacing (in) 1 1/32 in Fasteners (mm) 5 FH mm Fasteners (in) #10 FH in Maximum working load (kg) 136 kg Maximum working load (lb) 300 lb