Ronstan Series 50 BB Single Utility Block - Loop Head Product Type_Portable Water Tanks it is an all-surface cleaner

it is an all-surface cleaner

For use on all automotive and RV windows and windshields

gel coat and fiberglass

ceramic coated glass and painted surfaces

Excellent breakload

Ronstan Series 50 BB Single Utility Block - Loop Head Product Type_Portable Water Tanks it is an all-surface cleanerRonstan Series 50 Ball Bearing Single Utility Block, Loop Head RF50101 Low friction, 2 stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut outs for easy bearing maintenance Applications Mainsheet Spinnaker sheets Halyards and other primary applications on boats up to 10 m (33 ft) Materials Acetal ball bearings UV stabilised Acetal sheave Grade 316 stainless steel load strap and head fitting Impact and UV resistant,