The Universal Medium Tough-Clamp with 1" Diameter Rubber Ball from RAM MOUNTS is designed of corrosion resistant stainless steel hardware. It includes swiveling jaw-end pads that provide stable, even-gripping, and protection of the mounting surface. Lastly, its form factor allows it to work in tight spaces.

Stainless Steel Hardware    Swiveling Jaw-End Pads    Built-In Lanyard Holes    Quick Release of Clamp    Clamps to 1.75"-Thick Surfaces    Clamps to 0.75-1.125"-Diameter Rails

High strength glass filled nylon construction with corrosion resistant stainless steel hardware

Swiveling jaw-end pads provide stable, even gripping and protection of mounting surface

Clamp jaw is configured for round, flat and odd shapes

1" rubber ball is compatible with numerous RAM arms and mounts

Small form factor that accommodates tight spaces

Built-in lanyard holes

Quick engage and release of clamp

Related Questions and Answers

Q: 1. Will this adapt to a Manfrotto 410 head/plate?

A: Yes the Kirk QR-AB1QR Universal Quick Release Adapter with Quick Release Clamp is compatible with the Manfrotto 410 head and RC4 plate.

Q: 2. Full plastic? Which part is made by steel?

A: The Ball head is made of steel. The arms and mounts are techno polymer.

Q: 3. Made in Italy?

A: The 494 ball head is made in Italy yes.

Q: 4. Can the round disc be removed/replaced with an Arca-Swiss clamp?

A: The disc cannot be removed, but you could put a piece like this on top. https://www.bhphotovideo.com/c/product/899230-REG/Sunwayfoto_ddy_58_Discal_Clamp_58mm.html

Q: 5. Will it be compatible with my 494 RC2 manfrotto ball head or I need an adapter?

A: Manfrotto has a notched stem. We have clamps that will work but they are not on the web.

Q: 6. The adapter relies on 1/4-20 studs (from below on the original mounting plate, and from the top on the arca swiss block) to hold the entire assembly...what are the weight/torque limits on this kind of set up? How much should one trust a single 1/4-20 stud to hold big glass?

A: I would say that if you feel that way, you should trust your expensive glass to double 1/4" or single 3/8".

Q: 7. Can the phone be positioned vertically with this mount?

A: The Manfrotto PIXI Smart Mini Tripod with Universal Smartphone Clamp, B&H # MAPIXICLAMPB, only supports holding the smartphone in the landscape position; it does not support the portrait position.

Q: 8. Does it fit Iphone 11 Pro?

A: Yes, as long as it is not a very bulky case.

Q: 9. Is this comparable with Dynalite 2000 heads?

A: The FotodioX Pro Universal Speed Ring and Plate for 3-6" Diameter Strobes with No Bayonet Mount BH #FOSRKITUNI is not compatible with a Dynalite 2000 head.

Q: 10. Is there an option to purchase the Rubber Boots Only?

A: The rubber boots in the Desmond Universal Tripod Spikes and Rubber Boots (Set of 3) cannot be purchased separately.