Ram Mounts RAP-S-KNOB3U RAM Mixed Combination Pin-Lock Security Knob and Key Knob for 1in. Diameter B Size Arms tires-wheels-tires plug-n-play H4-style connector

plug-n-play H4-style connector

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Ram Mounts RAP-S-KNOB3U RAM Mixed Combination Pin-Lock Security Knob and Key Knob for 1in. Diameter B Size Arms tires-wheels-tires plug-n-play H4-style connectorThe RAP S KNOB3U consists of a 1 4in. 20 female threaded security knob and key knob. The RAP S KNOB3U replaces all knobs on 1in. diameter B size arms and mounts. The RAP S KNOB3U offers the ideal amount of leverage to properly tighten your mount to prevent slippage in heavy chop or in extreme vibration environments. With an emphasis on aesthetics and function, the RAP S KNOB3U is low in profile and only adds a small amount of additional bulk to your