Ronstan Series 50 BB Single Utility Block - Universal Head fender pump 👉🏻High‑foaming action - lifts debris

👉🏻High‑foaming action - lifts debris and reduces swirl marks

Its rust‑resistant base prevents ring marks on teak

DOT & TC approved

Various control line applications on larger yachts

Ronstan Series 50 BB Single Utility Block - Universal Head fender pump 👉🏻High‑foaming action - lifts debrisRonstan Series 50 Ball Bearing Single Utility Block, Universal Head RF50100 Low friction, 2 stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut outs for easy bearing maintenance Captive Lock universal head Slotted pin shackle eliminates fouled lines Applications Mainsheet Spinnaker sheets Halyards and other primary applications on boats up to 10 m (33 ft) Materials Acetal ball bearings UV stabilised Acetal sheave