SKTREX Anti-Skid designTrolley Roller Wheels Limit Trolley Assembly Positioning for Unistrut Strut Channel with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel Pack of 4

【Better anti-slip design】The new Trolley Roller Wheels Limit has added rubber spacers to effectively prevent it from moving 【Special design】 Trolley Roller Limit for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel, The stopper is used to restrict the movement of the trolley roller and keep the trolley assembly from detaching from the strut channel. 【Easy to install】 This hexagon nut only needs to be tightened, and it can be locked into place with the Strut Channel. Simple structure, easy installation. 【Impact-resistant】 Trolley Roller Limit uses large rubber blocks and M10 screws for better impact resistance and reduced vibration to protect the trolley assembly. 【Quality Service】If you have any issues with the Trolley Roller Limit then just let us know and we will solve it for you within 24 hours to ensure you are completely satisfied.