LightRail Extreme Duty Trolley Wheel Kit for LightRail 3.0/3.5/4.0 veg nutrients 5 in size fits perfectly

5 in size fits perfectly into rockwool holes

Quickly anchors anything without digging

Minimizes the effects of transplanting shock and other related stress conditions

soil moisture

Blue output for healthy plant growth and robustness

LightRail Extreme Duty Trolley Wheel Kit for LightRail 3.0/3.5/4.0 veg nutrients 5 in size fits perfectlyEXTREME DUTY TROLLEY WHEELS, for LightRail 3. 0, 3. 5 and 4. 0. A suggested upgrade item for moving multiple lights and or overweight loads such as heavier LED, plasma, or any light with an internal ballast weighing 35 pounds or more. They are engineered with steel on steel ball bearing with a nylon over molded tire for smooth quiet operation. Rated up to 60 lbs per set and comes with a lifetime warranty.