Ronstan Series 50 AP Single Utility Block - Universal Head Polishing Compound Heavy duty strain relief prevents

Heavy duty strain relief prevents kinking at the faucet

It is quick drying

genoa or traveler T-track

Snap fit removable becket pin

Ronstan Series 50 AP Single Utility Block - Universal Head Polishing Compound Heavy duty strain relief preventsRonstan Series 50 All Purpose Single Utility Block, Universal Head RF51100 Exceptionally high working loads Low maintenance, long service life Self lubricating Acetal polymer sheave ensures low friction and extreme durability Captive Lock universal head Slotted pin shackle eliminates fouled lines Applications Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10 m (33 ft) S60 on boats up to 12 m (40 ft) Materials Grade