Schaefer Mast Collar Block (Delrin) Sheave Dia. 2 3/8 in
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Removable Ferrule head allows low profile "Utility Blocks" to be mounted anywhere for extremely low line leads. Use wherever regular shackle head design may interfere with line leads. Offered in brilliant Stainless, or tough Hardcoat Anodized versions with Delrin or aluminum sheaves.