Sump Plug Key
• Square head : 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 3/4″
• Octagonal head : 9/16″
• Groove head : 1/8″~1/4″, 1/4″~7/16″
• Square head : 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 3/4″
• Octagonal head : 9/16″
• Groove head : 1/8″~1/4″, 1/4″~7/16″
