• Thread Size: 1/2"-13

• Spring Size: 1-1/2"

• Material: Steel

• Finish: Galvanized

• For Use With Any Kindorf, Unistrut And Many Other Strut Fastening Systems

• Designed To Be Inserted Into #TL58 And #TL158 Channel To Allow Fastening Of Threaded Rod

• Spring Can Be Easily Snipped For Shallow Channel If Needed

Warning this product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.