Marine hardware, SS Clamp-On Adjustable Rod Holder. High polished SS tube with a black plastic liner to protect your rods Marine hardware, SS Clamp-On Adjustable Rod Holder.The most versatile rod holder on the market, can be adjusted for nearly any rod angle. , High polished SS tube with a black plastic liner to protect your rods.For 7/8"~ 1" tube. PART NO. CLAMP TUBE TUBE LENGTH TUBE ID ...