The Dev Dolly Pro kit is a rugged and portable dolly solution for filmmakers wanting a small footprint on set without sacrificing stability or safety. The versatility of the Dev Dolly universal track mounting system means you can mount to any metal rail that is 1-2 inches. The ultimate portable dolly system includes: -Dev Dolly Pro sled -heavy duty 3/16” thick cnc machined aluminum plate -Built in mitchell plate adapter to attach various bowl sizes -Built in spirit level -Multiple 1/4 20 & 3/8 threaded holes for mounting -Anodized Black Industrial Matte Finish to Remove Glare and Reflection -4 Soft polyurethane wax coated squeak free wheel sets -608Z precision bearings -8” riser -3 plate mounts -flat mount plate with 3/8 bolt -75 mm bowl adapter -100mm bowl adapter -2 universal rail mounting brackets with adjustable legs and 1/4 20 & 3/8 mounts for tripods and baby and junior combo stands -3 included male junior/ female baby pin posts-remove the set screw for junior mounting -ideal for 1-2” metal rails at most hardware stores. -2 anti-tilt brackets for safety -Intuitive breaking system by lifting the sled and turning one or more wheel sets sideways -rugged molded plastic carry case.