Series 50 blocks are typically used on boats up to 33 for main and spinnaker sheets, halyards, and other primary applications.
Standard ball bearings are made of Acetal
High load versions have a self-lubricating Nylatron® sheave suitable for rope or wire with Torlon ball bearings
Light weight with removable becket pins
Captive lock universal head fitting can be fixed at 0, 90, or free to swival 360
Cheek cut-outs for easy bearing maintenance
Sheave diameter: 2 (50mm)
Max. wire diameter: 3/16
Standard ball bearings are made of Acetal
High load versions have a self-lubricating Nylatron® sheave suitable for rope or wire with Torlon ball bearings
Light weight with removable becket pins
Captive lock universal head fitting can be fixed at 0, 90, or free to swival 360
Cheek cut-outs for easy bearing maintenance
Sheave diameter: 2 (50mm)
Max. wire diameter: 3/16
