Ronstan Series 40 High Load Exit Box RF41712 Series 75 The 404 uses an O-ring

The 404 uses an O-ring to keep the line in the sheave during intermittent loading

cooling to the touch and high elongation stretch fabric

Need to measure depth

Simply squeeze the release lever

Ronstan Series 40 High Load Exit Box RF41712 Series 75 The 404 uses an O-ring40mm Nylatron sheave, suitable for wire or rope, external mount. Use 6 x 5mm (3 16") fasteners. Specifications Product Specifications Type of Block Exit Sheave diameter (mm) 40mm B. L. (kg) 1000 M. W. L. (kg) 500 Max. Rope diameter (mm) 10 Weight (g) 75 Wire (mm) 5 Fastener (mm) 5 P. L. B. L. (kg) 2700 U. D. L. B. L. (kg) 3600 Qty. Fasteners 6 Notes: Use 6 x 5mm (3 16") fasteners Specification Details Specification Details A (mm) 54 B (mm) 33 C (mm)