Specification Brand : Respicefinem BulletPoint1 : Premium Material: Stainless steel trolley roller wheels are made of excellent metal material sturdy and long lasting with a galvanized surface to and erosion BulletPoint2 : High Stability: The sealing ring between the M10 bolts head and the rubber keeps bolts and rubber from being pushed and crushed under lateral forces limits roller wheel impact improves trolley roller limit stability and reduces vibration BulletPoint3 : Wide Application: Strut channel roller wheels are applicable to all 1 5/8in wide channels and higher strut channels to prevent hand trolley parts from rushing out of the end of the cylinder channel BulletPoint4 : Easy Installation: The trolley wheel limiter is easy to use and install Use M10 bolts to lock tighten the hex nut and it can be locked by the strut channel BulletPoint5 : Stable Operating: The limit roller wheel has a beautiful form fluent design solid rigidity is noiseless and wear and is manufactured with technology making it easy to operate ItemName : Respicefinem 2Pcs Stainless Steel Trolley Roller Wheels Limit Assembly Positioning for 1 5/8in Width Strut Channel Beam Supplies Premium Material High Stability Wide Application ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : beam-trolleys Manufacturer : Respicefinem ModelName : Respicefinemurs82ehod1 ModelNumber : Respicefinemurs82ehod1 PartNumber : Respicefinemurs82ehod1 ProductDescription :