Sendt 1/4 inch (6.3mm) Male to Male Mono Offset Effects Pedal Coupler 3 Pack 3 pack all metal offset mono male to offset mono male couplers Great signal transmission Space efficient all metal offset effects pedal couplers 1/4 inch (6.3 mm) male to 1/4 inch (6.3 mm) offset male couplers Great for connecting effects pedals that have input/output jacks that are at slightly different heights!