Schaefer - Single Block/UH/Becket/Ball Bearing Cat. No. SCH50615 Weight 1 lbs	$110.00
Schaefer - Single Block/ Universal Head/ Becket/ Ball Bearing  #506-15 Single Aluminum Block with Becket.     * White Delrin Ball Bearing Sheave.     * Integrated Becket is removable for eye splices. Dimensions: Imperial  & Metric Length: 5 17/32" 140 mm Width: 2 1/8" 54 mm Overall Thickness: 15/16" 24 mm Weight: 5.7 oz. 162 g.