Trolley Roller Wheels Limit Trolley Assembly Positioning for Unistrut Strut C…
【Impact-resistant】 Trolley Roller Limit uses large rubber blocks and M10 screws for better impact resistance and reduced vibration to protect the trolley assembly. 【Easy to install】 This hexagon nut only needs to be tightened, and it can be locked into place with the Strut Channel.