Tylaska 2.57" H5 Aluminum Halyard Shackle Lewmar High Load Racing Foot Blocks Their gentle 3-dimensional geometry is

Their gentle 3-dimensional geometry is kind on lines

They also work great for backstay adjusters when used in a high purchase cascade configuration

: 3/8" (10 mm)

Safe Working Load (lb) - 6160

Schaefer Double Stainless Steel Block

Tylaska 2.57" H5 Aluminum Halyard Shackle Lewmar High Load Racing Foot Blocks Their gentle 3-dimensional geometry isProduct Description Tylaska 2. 57" Aluminum Halyard Shackle Specifications Shackle Type H5 Safe Working Load(lb.) 2500 Breaking Strength(lb.) 5000 Line Size(in.) 5 16' Weight(oz.) 1. 3 Dimensions A(in.) 2. 57" B(in.) 1" C(in.) 0. 18" D(in.) 1. 4" E(in.) 0. 91" F(in.) 0. 64" G(in.) 0. 38" H(in.) 0. 75" I(in.) 0. 75" J(in.) 0. 26"