ESP stands for Elegant Simple Products. ESP blocks have a simpler construction and bearing system than Black Magic® and stainless steel blocks, but they complement these lines with similar aesthetics. ESPs are strong, reliable, and cost-effective
Sheave diam: 57 mm (2 1/4 in) Length: 140 mm (5 1/2 in) Weight: (218 g (7.7 oz) Shackle pin diam: 8mm (5/16 in) Maximum line diam: 16 mm (5/8 in) Maximum working load: 1000 kg (2205 lb) Breaking load: 2000 kg (4409 lb)