Prop Wrench Set - Fits 17/32" to 1-1/4" Prop Nuts. Multiple socket sizes for all prop maintenance.. Offers multiple sockets to fit from 17/32" to 1-1/4", allowing consumers to service multiple props. Built of durable plastic. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.