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Dear GJ members - we've built a new kind of locking trolley jack prototype ... but need to know from real-world jack users, whether it's a product you'd consider buying - and if it's worth our investing in to bring to market. The demonstration prototype is just a proof of concept - but the...

Any thoughts on this locking trolley jack, guys ? The Spin-Lock trolley jack - forum.mp4 (vimeo.com) It's more a proof of concept than anything ... but it eliminates the need for an axle-stand in many situations. The finished product would have the locking mechanism entirely behind the lifting...