This is something I put together after finding out that nothing else really worked for my truck.

The double-socket swivel/ratchet arm provides 360 degree center rotation with a 180 degrees center swivel joint.  Overall length of the arm is just over 6".

The diamond-shaped base is ideal for tight spaces.  In this installation, I used a couple of #8 x 1" sheet metal screws into the plastic.  That worked out fine, and it's nice and solid.  (Just be sure there's not a bundle of wires right behind where you're going to put the screws...friend of mine who puts electronics in jets found that out the hard way.)

The X-Grip phone holder easily expands and contracts to provide a perfect fit for your phone, whether it's in a case or not.  Fits pretty much all the standard sized phones, 1.875" to 3.25" wide, and no thicker than .875"

I also have this set up for larger phones - iphone Plus series, and so forth.

Here's a partial list of compatible Apple & Samsung phones:

iPhone 14 Pro
iPhone 14
iPhone 13
iPhone 13 Pro
iPhone 13 mini
iPhone 12
iPhone 12 Pro
iPhone 12 mini
iPhone 11
iPhone 11 Pro
iPhone Xr
iPhone Xs
iPhone X
iPhone SE
iPhone 8
iphone 7
iPhone 6s

Galaxy A3
Galaxy A3 (2016)
Galaxy A3 (2017)
Galaxy A5
Galaxy A5 (2016)
Galaxy A5 (2017)
Galaxy A6
Galaxy A6+
Galaxy A7 (2016)
Galaxy A8+
Galaxy A8 (2018)
Galaxy A8+ (2018)
Galaxy A10
Galaxy A10e
Galaxy A10s
Galaxy A11
Galaxy A20
Galaxy A20e
Galaxy A30
Galaxy A40
Galaxy A50
Galaxy A50s
Galaxy AMP 2
Galaxy AMP Prime
Galaxy AMP Prime 2
Galaxy C5
Galaxy E5
Galaxy Express 3
Galaxy Express Prime 2
Galaxy Grand Max
Galaxy J1
Galaxy J1 (2016)
Galaxy J2
Galaxy J2 (2016)
Galaxy J2 (2017)
Galaxy J3 (2016)
Galaxy J3 (2017) International
Galaxy J3 Emerge
Galaxy J3 Prime
Galaxy J3 V
Galaxy J5
Galaxy J5 (2016)
Galaxy J5 (2017)
Galaxy J7 (2016)
Galaxy J7 (2017)
Galaxy J7 Perx
Galaxy J7 Prime
Galaxy J7 Prime 2
Galaxy Luna
Galaxy Note 8
Galaxy Note Fan Edition
Galaxy Note 10
Galaxy Note20
Galaxy On NXT
Galaxy On5
Galaxy On7 Prime
Galaxy On8
Galaxy S5
Galaxy S5 Neo
Galaxy S6
Galaxy S6 Active
Galaxy S6 Edge
Galaxy S6 Edge+
Galaxy S7
Galaxy S7 Active
Galaxy S7 Edge
Galaxy S8+
Galaxy S9
Galaxy S9+
Galaxy S10
Galaxy S10+
Galaxy S10e
Galaxy S20
Galaxy S20+
Galaxy S20 FE 5G
Galaxy S20 Ultra 5G
Galaxy S22 5G
Galaxy S22+ 5G
Galaxy S23
Galaxy V Plus
Galaxy XCover 3
Galaxy XCover 4
Galaxy XCover 5
Galaxy Z Fold2
Galaxy Z Fold3
W2017
Z1
Z2
Z3
Z4

This product is proudly made here in the US, and   comes with a lifetime limited factory warranty. 

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INTERNATIONAL CUSTOMERS PLEASE NOTE: 

• DELIVERY TIMES are estimates - if not outright wild guesses -  from Ebay and the carriers only and are NOT guaranteed.  Our experience is that standard Priority Mail shipments to Canada, Australia and most of Europe generally arrive in a week or two but there are exceptions.  First Class Package service, where available, will take longer.  Some regions can take three weeks to a couple of months; see below for specific trouble spots.  PLEASE ALLOW ADEQUATE TIME FOR YOUR SHIPMENT TO ARRIVE.
• CUSTOMS PROCESSING may cause additional delays; we have no control over this and are not responsible for the consequences.  
• CUSTOMS, DUTY, BROKERAGE, VAT & OTHER charges may be imposed by the destination country; these costs are typically collected by the carrier at the time of delivery and are the responsibility of the purchaser.  We have no control over this either; please check with your local authorities FIRST if you have questions. 
• WE CANNOT mark shipments as gifts or reduce stated values for customs purposes.
• CUSTOMERS IN SOUTH AND CENTRAL AMERICA, AFRICA & SOME PARTS OF ASIA:  On occasion, conventional mail services to these regions can take as long as two to three months due to customs processing and the mail systems in these areas, and tracking data can be spotty once the shipment leaves the US.  We have no control over this.  We HIGHLY recommend USPS Express Mail in these cases as it gets better tracking and generally takes no longer than a week or two even under the worst of circumstances.
• SELECTING ANYTHING OTHER THAN USPS EXPRESS MAIL TELLS US AND EBAY THAT YOU UNDERSTAND THE ABOVE INCLUDING THE POTENTIAL FOR DELAYS AND AGREE TO WAIT.