Stand-up toggles hold blocks upright on travelers. Stand-up toggles with control tangs allow attachment of control blocks.   Height (mm) 45 mm Height (in) 1 13/16 in Weight (g) 43 g Weight (oz) 1.5 oz Maximum working load (kg) 567 kg Maximum working load (lb) 1250 lb Mainsheet block pin Ø (mm) 5 Mainsheet block pin Ø (in) 3/16 in Control block pin Ø (mm) 4 mm Control block pin Ø (in) 5/32 in Accepts mainsheet blocks 40 mm double & triple Carbo, 57 mm single & fiddle Carbo