M100-02 Webbing/Lashing Block. Computer machined block finished in hardcoat anodized black for durability. Torlon(tm) rollers and Delrin(tm) ball bearings ensure a low-friction aluminum sheave that will handle high loads. Machined center of the block may be used as a " becket" eliminating the need for other blocks. May be lashed through the end of the block or through the center hub. Lashing/Loops sold separately. Flushing holes in each cheek allow easy flushing. Safe Working Load 7500 lbs (3410kg), Weight 25.2oz (717gm), Max. Line 3/4" (19mm), Sheave Diameter 4" (100mm), Length 5.5" (140mm), Width 4" (100mm), Does NOT Include Webbing or Lashing. Extreme Care must be taken when attaching.