Specification Brand : TPHUC BulletPoint : F21-E1B Industrial remote controller Hoist Crane Control Lift Crane 1 transmitter BulletPoint1 : PREMIUM MATERIAL: Made of steel, and you don't have to worry about it deteriorating over time. Spacer - each main steel connecting bearing with a fixed size spacer to make the whole roller trolley more stable and less noise; Bearings - each custom-built bearing comes with a cover to prevent metal balls from falling out during rotation. No lubrication is required for the bearings. BulletPoint10 : Frequency Band: 915 MHz (902 to 928 MHz) - FCC Part 15 BulletPoint2 : SECURE & STABLE PERFORMANCE: Six-bearing trolley assembly with welded bearing and pin shaft for greater stability for safe use, solidly welded bearing and pin, stable operation, providing reliable durability and quality amazing. The machine uses deep groove ball bearings to ensure that you can operate the machine smoothly, without making noise during use. BulletPoint3 : VERSATILE: Applicable to all channels with 1-5/8" wide channel and all 1-5/8" channel or higher strut Channel, with Unistrut P1000, P1001, P5000, P5001, P5500, P5501. BulletPoint4 : TROLLEYS SIZE: Diameter hole - 9/16"(14mm), thickness of the plate- 1/4"(6mm), weight - 1.21lbs. BulletPoint5 : MULTI-PURPOSE: Our 6-wheel roller trolley is suitable for different situations in our daily life. Can be used in garage winch systems, electric lift systems and ceiling trolley systems. BulletPoint6 : Receiver Power: 110V/60Hz (Other voltage options are available) BulletPoint7 : Operation Range: about 300 ft (100 m) BulletPoint8 : Operating Temperature: -40 to +185 F (-40 to +85 C) BulletPoint9 : Low power Indicator: 3 Stage LED Color : Set 4 ExternallyAssignedProductIdentifier : 4741352769806 ExternallyAssignedProductIdentifier1 : 766162625436 ExternallyAssignedProductIdentifier2 : 0766162625436 Hazmat : 9 IncludedComponents : No ItemName : 6 Wheels Trolley Assembly Rollers, 6 Bearings Strut Channel Trolley Hardware, Stable Strut Roller Trolley for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel (Pack of 4) ItemPackageDimensions_Height : 11.2014 centimeters ItemPackageDimensions_Length : 10.795 centimeters ItemPackageDimensions_Width : 10.8966 centimeters ItemPackageQuantity : 6 ItemTypeKeyword : beam-trolleys LoadCapacity : 450.0 pounds Manufacturer : TPHUC Material : Steel ModelName : F25-6D-2T ModelNumber : TP009 MountingType : No NumberOfBoxes : 1 NumberOfItems : 4 NumberOfPieces : 10 NumberOfWheels : 4 PartNumber : TP008 ProductDescription : 1 ProductSiteLaunchDate : 2023-12-18T12:36:54.092Z Size : 6 Wheels SkipOffer : 1 Style : Industrial SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Multi-Surface UnitCount : 1 UnspscCode : 31162700