The RocknRoller Multi-Cart R8RT Mid has rear R-Trac wheels for easy transport over rough terrain while avoiding down-time due to punctured tubes. It has a 500 lb load capacity. Multi-Cart is widely regarded as the go-to brand for anyone who needs to "take it on the road" safely and dependably. From the powder-coat finish to the quality hubs, wheels and the non-skid bed, every element of the design is aimed at the expeditious transport of your delicate gear, even in less than optimal environments.

The patented design instantly telescopes and transforms into any of 8 configurations to fit any equipment size or shape replacing the enabling quick and ergonomic movement of huge amounts of gear and supplies with a small storage footprint.

Open Box Products Have a Limited 1-Year Manufacturer Warranty    Lightweight    Rugged Steel    No Movable Pins    Low-profile Tubeless Wheels

Glossy textured finish resists equipment slippage better than smooth finishes and is super tough.

Frame telescopes to stack loads high.

Non-skid frame bed surface resists load slippage.

Spring loaded wing bolts won't vibrate out.

Stair skids ease hauling up steep stairs.

Strong tube axles are 43% lighter than solid axles.

Expandable frame accommodates innumerable cargo sizes and shapes.

Strong perforated front axle reduces weight and accommodates bungee cords.

Bold modern design. The 8 x 2" R-Trac wheels roll smoother over rough terrain than typical 2" or 3" casters used on small carts.

Related Questions and Answers

Q: 1. I was just told by Canon Tech support that this is required to make the Speedlite EL-1 copatible with the new Canon EOS R3 camera. Really? Is that true? and WHY? both shoe cold and hot shoe are multi-function connections. Am I missing something here?

A: The Canon R3 has the new Multi-Function Shoe and the AD-E1 Multi-Function Shoe Adapter adapts legacy Speedlite accessories to the updated Multi-Function Shoe design.

Q: 2. Can this grip on the D850 be used in an (any) underwater housing?

A: Not that we sell, all the D850 housings are without battery grip.

Q: 3. How fast does this charge 4 batteries to full?

A: To fully charge 4 batteries from being dead, this would take 480 Minutes

Q: 4. When the D850 internal battery is exhausted, does the D850 automatically switch to the battery in the MB-D18?

A: Correct, once one battery dies, it will automatically switch to the other.

Q: 5. What's the output rating?

A: Sony does not list the power output for this device.

Q: 6. This wil work to pair a canon R50 camera with yn 686 Ex RT flashes an the YN E3 RT trigger?

A: Yes, the Canon AD-E1 Multi-Function Shoe Adapter is compatible with the Canon R50 and the YN 686 Ex RT flashes and the YN E3 RT trigger.

Q: 7. Is the AD-E1 useful for Canon SL3/250D?

A: You don't need the Canon AD-E1 Multi-Function Shoe Adapter to use any current Canon flash with the SL3.

Q: 8. Do it work on a cannon t100

A: The Canon AD-E1 is not compatible with the T100.

Q: 9. Can this battery adapter power A7 series cameras?

A: Yes. This video shows exactly how, just replace dot with an actual dot: youtubedotcom/watch?v=-FWOyUO6zaU

Q: 10. Can this power a camera while plugged in?

A: Yes it works as an AC adapter plus it will also charge four batteries.