Featuring a wide, low-profile cap, CE Smiths Flush Mount Cast Bottom Rod Holder delivers excellent mounting strength. Super-tough rounded cast bottom includes a 1/2 pipe-threaded drain hole. Vinyl liner protects your rod from wear and tear. Made of 316L stainless steel with a virtually indestructible gimbal bar for long-lasting performance. Per each. Available: 0, 15, 30. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Rod Holders.