Tips: If you encounter the problem of plastic riveting tool stuck, please do not worry, just gently separate the two sides of the handle, you can easily loosen the rivet mandrel, before using for the first time, you can apply lubricant on the head of the riveter to reduce friction. 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. Slim & Anti-Slip Design: Designed with a slim gun head, suitable for hard-to-reach spots in the narrow areas. Besides, the handle of it is covered with a anti-slip rubber sleeve for comfortable feeling and safety use. Durable Rivet Gun: If your applications include repair and maintenance work, roofing, automotive, HVAC industries etc, fully-equipped, easy to use, this plastic rivet gun is very good for you. What You Get: 1pc Plastic Rivet Gun + 40pcs Nylon Blind Rivets + 1pc Fastener Removal Tool are already included, so it will not only help you to complete your work easily, but it's in a durable quantity. Color: Black & Red Material: Metal Package Contents: 42Pcs Plastic Rivet Gun Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.