Ronstan Series 50 BB Double Utility Block - Swivel Shackle Head (Non-locking) Product Number:RF50200 it is both economical and

it is both economical and environmentally responsible

Excellent flow and brushability

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Nevr-Dull removes rust and tar from automobile and motorcycle chrome

We've all struggled with organising extension cords

Ronstan Series 50 BB Double Utility Block - Swivel Shackle Head (Non-locking) Product Number:RF50200 it is both economical andRonstan Series 50 Ball Bearing Double Utility Block, Swivel Shackle Head (Non locking) RF50200 Low friction, 2 stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut outs for easy bearing maintenance 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 Grade 316