This pair of Eye Straps is a versatile and essential accessory, serving as light-duty mounting bases for blocks, lash-down points, and fairleads. Designed for a variety of applications, they have a Part No. 281NP with a breaking load of 454kg (1000lb) and are compatible with cam models 338 and 423. Dimensions include A: 36mm (1 7/16in), B: 12mm (1/2in), C: 27mm (1 1/16in), D: 11mm (7/16in), E: 10mm (3/8in), F: 11mm (7/16in), with a height above cam of 12mm (1/2in). At a weight of 4.5g (0.16oz), they are secured with #8 RH fasteners at 27mm (1 1/16in) spacing. Part Number 281.PAIR