Harken Big Boat Single 3” Sheaved Swivel Block With Shackle - 9/16” Line Used It is smaller is size

It is smaller is size so would be great for most boats

It comes with an extra shackle that is 14/16” wide

The ID is 12 3/4” long x  4 1/4” wide

The Beckett does not have the roller

This car is for a 1” track

Harken Big Boat Single 3” Sheaved Swivel Block With Shackle - 9/16” Line Used It is smaller is sizeThis large harken big boat block is in great condition. This block has a 3 sheave and can fit MAX 9 16 line diameter. This is a ball bearing block, all balls are there and sheave rolls smoothly. The shackle is in good condition though it does have a little rust. The shackle has a 3 4 width. The block is 8 total length.