... sizesSizePitchRoller diameterTensile strengthWorking load250.250 in (6.35 mm)0.130 in (3.30 mm)781 lb (354 kg)140 lb ... 220 kg)410.500 in (12.70 mm)0.306 in (7.77 mm)1,500 lb (680 kg)500 lb ... 2002.500 in (63.50 mm)1.562 in (39.67 mm)78,000 lb (35,000 kg)16,000 lb ... (7,300 kg)2403.000 in (76.20 mm)1. ... 875 in (47.63 mm) ...