strain relief bushing 1.Material: Nylon 66 2.94v-2,certificated by UL, 3.type:flat and round 4.Avoid short-circuits ... Flame class:94V-2 Material:UL qualified NYLON66(black) We can offer this line with superior quality, competitive price, prompt ... in our prodcts, please do not hesitate to contact with us.Welcome your coorperation! Black elctric strain relief (UL/RoHS,suitable for flat type)