Solid materials. Fit into Yamaha headphones snugly unlike other 3rd party cords.Would buy again but doubt I'll have to.
NewFantasia Replacement Audio Upgrade Cable Compatible With AKG K240, K240S, K240MK II, Q701, K702, K141, K171, K181, K271S, K271 MKII, Pioneer HDJ-2000 Headphones 1.5Meters/4.9Feet
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