30 Amp Power Grip Marine 18" Dogbone - M-Lock/90F-Locking AdapterThe Camco 30M/30F AMP Locking Adapter is an 18" adapter cord with a threaded locking ring that creates a weatherproof connection. The durable, long-lasting STW cord and 90 degree turn from male to female end to reduce stress help create a long lasting and durable cord.Features:30 AMP locking male end with 30 AMP female end18-inch adapterThreaded locking ring creates a weatherproof connectionDurable, long-lasting STW cord90 degree turn from male to female end reduces stress on cord