Schaefer - Single Block Block/ Front/Side Shackle Cat. No. SCH30303 Weight 0.5 lbs	$71.00
Schaefer - Single Block Block/ Front/Side Shackle  #303-03 Single block with Front-Side shackle.     * For Mainsheet, Vang or other multi-part systems.     * Delrin Ball Bearing Sheave. Dimensions: Imperial & Metric Length:  3 25/32"  96mm Width: 1 9/16" 40 mm Overall Thickness: 3/4" 19mm