Ronstan Series 50 SP Single Utility Block (with Nylatron Sheave) - Universal Head Navigation Chart Let application soak in for

Let application soak in for 30 seconds before using a clean cloth

and will allow under water viewing as far as water clarity and light permits

Carbon Fiber Stealth Weave

Padeye & snap shackle: Grade 15-5PH stainless steel

Ronstan Series 50 SP Single Utility Block (with Nylatron Sheave) - Universal Head Navigation Chart Let application soak in forRonstan Series 50 Special Purpose Single Utility Block (with Nylatron Sheave), Universal Head RF50100HL 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 Mainsheet Spinnaker sheets Halyards and other primary applications on boats up to 10 m (33 ft) Materials Nylatron sheave Grade 316 stainless steel