Ronstan Series 40 SP Single Utility Block (with Nylatron Sheave) - Universal Head Product Number:RF40100HL *** use Option (1) to

*** use Option (1) to select Size ***

it wipes clean with no streaks or buildup

kayaks and standup paddleboards

Versatile trunnion snap shackle

Spikes grip the foam to prevent slippage without damage

Ronstan Series 40 SP Single Utility Block (with Nylatron Sheave) - Universal Head Product Number:RF40100HL *** use Option (1) toRonstan Series 40 Special Purpose Single Utility Block (with Nylatron Sheave), Universal Head RF40100HL Exceptionally high working loads Lightweight Cheek cut outs for easy bearing maintenance Suitable for both rope or wire Captive Lock universal head Slotted pin shackle eliminates fouled lines Applications Halyards Backstays Vang Spinnaker control lines on off the beach catamarans, one design classes and sportsboats up to 8 m (26ft) Materials