Ronstan Series 55 Orbit Block™, Auto-Ratchet with Cam Cleat RF56120 INFLATABLE PFD’S INSHORE Adjustable hem with elastic drawstring

Adjustable hem with elastic drawstring

the sheave cross-hole geometry eliminates the 'shuddering' ease-out that you can expect from traditional v-groove ratchet blocks

Pre-pressurised to 30 PSI

Even the sleeves offer a soft double inner Lycra cuff to prevent cold air from sneaking in

construction needlepunch

Ronstan Series 55 Orbit Block™, Auto-Ratchet with Cam Cleat RF56120 INFLATABLE PFD’S INSHORE Adjustable hem with elastic drawstringSingle Auto Ratchet Block with Cam Cleat, Adjustable Cleat Arm, and Swivel Head FEATURES Up to 20: 1 holding power. Smooth easing of sheets. High performance cleating. Specifications Product Specifications Type of Block Single, Ratchet Sheave diameter (mm) 55mm B. L. (kg) 750 M. W. L. (kg) 175 Max. Rope diameter (mm) 10 Weight (g) 204 Pin (mm) 5 Notes: MWL based on maximum allowable line load through cleat of 175kg (385lb).