![RAM Mount RAM Ball Adapter w\/1\/2" NPT Hole Tightening Knob [RAM-330U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/1280x1280/products/26699/36546/94293XL__62006.1720734929.jpg?c=1 "RAM Mount RAM Ball Adapter w\/1\/2\" NPT Hole Tightening Knob [RAM-330U]")
![RAM Mount RAM Ball Adapter w\/1\/2" NPT Hole Tightening Knob [RAM-330U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/26699/36546/94293XL__62006.1720734929.jpg?c=1 "RAM Mount RAM Ball Adapter w\/1\/2\" NPT Hole Tightening Knob [RAM-330U]")
RAM® Ball Adapter with 1/2" NPT Hole & Tightening Knob
The RAM-330U consists of a 1.5" Diameter Ball, attached to a clamp base with a hole for 1/2" NPT pipes.
Features:
- Hardware Included: Assembly Hardware
- Ball Size: c Size (1.5")
- Weight Capacity: Standard Use: 4 lbs/Heavy-Duty Use: 3 lbs
- Materials: Marine-grade aluminum
- Weight: 0.35lbs
![RAM Mount RAM Double Ball Adapter w\/1\/2" NPT Threaded Hole [RAM-217-3U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/26808/36792/100923XL__22742.1720735333.jpg?c=1 "RAM Mount RAM Double Ball Adapter w\/1\/2\" NPT Threaded Hole [RAM-217-3U]")
![RAM Mount RAM Double Ball Mount w\/Key Lock Knob [RAM-101U-DL]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/26560/36285/81820XL__33450.1720734462.jpg?c=1 "RAM Mount RAM Double Ball Mount w\/Key Lock Knob [RAM-101U-DL]")
![RAM Mount Double 1-1\/2" Ball Adapter [RAM-230U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/25642/34587/43842XL__69472.1720731415.jpg?c=1 "RAM Mount Double 1-1\/2\" Ball Adapter [RAM-230U]")
![RAM Mount RAM Vibe-Safe w\/NPT Adapter f\/2-Hole Holders [RAP-462NPT]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/26813/36804/102469XL__89925.1720735352.jpg?c=1 "RAM Mount RAM Vibe-Safe w\/NPT Adapter f\/2-Hole Holders [RAP-462NPT]")
![RAM Mount Knob w\/Keyed Lock & 1\/4" - 20 Brass Hole [RAM-KNOB3LU]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/25544/34407/38001XL__32637.1720731091.jpg?c=1 "RAM Mount Knob w\/Keyed Lock & 1\/4\" - 20 Brass Hole [RAM-KNOB3LU]")
![RAM Mount Motorcycle Base w\/9mm Hole & 1" Ball [RAM-B-272U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/25772/34849/45569XL__00159.1720731842.jpg?c=1 "RAM Mount Motorcycle Base w\/9mm Hole & 1\" Ball [RAM-B-272U]")
![RAM Mount RAM Marine Electronics Ball Adapter [RAM-D-115BU]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/26656/36457/89733XL__77174.1720734787.jpg?c=1 "RAM Mount RAM Marine Electronics Ball Adapter [RAM-D-115BU]")
![RAM Mount Double 1" Ball Adapter [RAM-B-230U]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/25628/34553/42407XL__82907.1720731355.jpg?c=1 "RAM Mount Double 1\" Ball Adapter [RAM-B-230U]")
![RAM Mount RAM 3" x 11" Adapter w\/1.5" Ball [RAM-137BU]](https://cdn11.bigcommerce.com/s-foqppds5jw/images/stencil/500x659/products/25700/34704/44428XL__39318.1720731613.jpg?c=1 "RAM Mount RAM 3\" x 11\" Adapter w\/1.5\" Ball [RAM-137BU]")