Converts an RJ45 jack to an RJ11/12 jack Unique design Will not damage RJ45 connector pins 1 and 8 For use with Test-n-Map™ Remotes 2 - 8 9-Inches (229 mm) long .2 oz or 6 grams Only Klein Tools Universal RJ11/RJ12 Jumper Cable for Test-n-Map™ Remotes or an approved equivalent should be used in the RJ45 jack of the Test-n-Map™ ID Remotes Using a non-universal RJ11/RJ12 patch cable could result in damaged contact pins