Ronstan Series 50 AP Fiddle Utility Block - Becket, Adjustable Cleat, Universal Head Sheave Diameter:54 mm + 34 mm Low stretch and excellent abrasion

Low stretch and excellent abrasion resistance

Contains no waxes or silicones

Most fabrics

The unique butterfly lid allows the coffee

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Ronstan Series 50 AP Fiddle Utility Block - Becket, Adjustable Cleat, Universal Head Sheave Diameter:54 mm + 34 mm Low stretch and excellent abrasionRonstan Series 50 All Purpose Fiddle Utility Block, Becket, Adjustable Cleat, Universal Head RF51530 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 Snap fit removable becket pin Multi position cleat arm Spare Parts RF51010 Replacement Becket Pin, RF150 Shackle Applications