Ronstan Series 75 Ratchet Sheave Alloy, 75mm x 20.2mm x ID22.1mm 18:1 holding power The patented extruded hole design provides up to 18:1 holding power   Carbon black Torlon® ball bearings...

Ronstan Series 60 Ratchet Sheave Alloy, 60mm x 16.9mm x ID6.3mm 14:1 holding power The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful...

Ronstan Series 40 AP Deck Organiser - Sheave Deck organisers are an effective means of deflecting halyards and other control lines to winches, stoppers and cleats. Sheaves are made from impact...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Manual ON/OFF ratchet selection Easily fitted and securely retained Dyneema® link head Application: Dinghy...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Fully Automatic load sensing ratchet engagement Easily fitted and securely retained Dyneema® link...

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Clockwise rotation Fully automatic, load sensing ratchet engagement Recessed underside to suit curved mounting...

Ronstan Series 75 Orbit Sheave Alloy 75mm x 20mm xID 42.5mm sheave with Torlon® needle rollers Torlon® needle rollers minimise friction High static and dynamic load capacity achieved with alloy...

Ronstan Series 50 Ball Bearing Sheave Alloy, 50mm x 12mm x ID8.1mm Aluminium Specifications Max. Rope diameter (mm) 8 Weight (g) 32</

Features: Up to 14:1 holding power - highest available! Smooth easing of sheets Anti-Clockwise rotation Fully automatic, load sensing ratchet engagement Recessed underside to suit curved...