4 RAM Pin-Lock Security Knob and Key Knob for 1.5" Diameter C Size Arms (RAP-S-KNOB5-4U) Product Line_IntelliSkin Note: The "U" in the

Note: The "U" in the part number reflects product packaged in poly bag

375" diameter

Mounting holes

The RAP-S-KNOB5-4U consists of a 5/16"-18 female threaded security knob and key knob

Tough-Wedge™ Dimensions: Length: 13

4 RAM Pin-Lock Security Knob and Key Knob for 1.5" Diameter C Size Arms (RAP-S-KNOB5-4U) Product Line_IntelliSkin Note: The "U" in theThe RAP S KNOB5 4U consists of a 5 16" 18 female threaded security knob and key knob. The RAP S KNOB5 4U replaces all knobs on 1. 5" diameter C size arms and mounts. The RAP S KNOB5 4U 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 KNOB5 4U is low in profile and only adds a small amount of additional bulk