40PCS Spare Nylon Rivets: Containing 4 different sizes nylon blind rivets( dia. x h. of rivet mandrel ): ①5 x 15.8mm, ②5 x 17.2mm, ③6.3 x 25.2mm, ④6.6 x 17.2mm. Nylon rivets with properties of low-friction, good resistance to heat, UV rays and chemicals ect.
