Feature: Complete model specifications ,and the quality is reliable. Made of high quality material,never rust. Beautiful,practical, durable and convenient for using. Packed in a plastic box, easy to store and protect the product from damaging. Nylon own the characteristics of insulativity,non-magnetic,thermal insulation,corrosion resistance and etc. Application:suitable for the industries of communication, electroplating, medical device, office equipment, electronics. Specification: Working temperature:-30 °C ~ 130 °C Box size:17.5*10*2.3 cm/6.9*3.9*0.9 in Material:Nylon Color:Black Article: M3 Nuts 60 M3 Washer 20 M3*6mm Screws 20 M3*12mm Screws 20 M3*20mm Screws 20 M3(6mm+6mm) Single Head 15 M3(10mm+6mm) Single Head 15 M3(15mm+6mm) Single Head 15 M3(20mm+6mm) Single Head 15 M3(6mm) Double-Pass 15 M3(10mm) Double-Pass 15 M3(15mm) Double-Pass 15 M3(20mm) Double-Pass 15 Package List: 1 Set*Screw 1、Application:suitable for the industries of communication, electroplating, medical device, office equipment, electronics. 2、Nylon own the characteristics of insulativity,non-magnetic,thermal insulation,corrosion resistance and etc. 3、Packed in a plastic box, easy to store and protect the product from damaging. 4、Made of high quality material,never rust. Beautiful,practical, durable and convenient for using. 5、Complete model specifications ,and the quality is reliable.