【High Quality】:10k potentiometer all made of metal and carbon film very stable and durable. The pins are not easy to break and fit in the breadboard very well | 【Potentiometer Model】:10K Ohm Knurled Shaft Linear Rotary Taper Potentiometer,3 terminals, single linear | 【Easy to store】:Potentiometer kit come in a Rugged Convenient Re-sealable Plastic Storage Case,It helps you to always keep the items organized and to transport | 【Washers and Nuts】: Smooth and consistent, rotary potentiometer linear comes with washers and nuts, the washers and nuts are great and the knobs fit snug | 【 Package Quantity】:20 Pcs Potentiometer ,these potentiometer kit with potentiometer knob/nuts and washer,each 20 Pcs

【FUNCTION:】BNC to RCA adapter have high quality and widely uses, close contact, high signal transmission to the device, very good performance | 【QUALITY MATERIAL:】BNC to RCA connectors made of copper-zinc alloy, olid die-cast housing, inner conductor: pure copper. | 【FEATURES:】BNC/RCA Adapter Connector provide proper RF and digital interface, can help to connection of connectors among videos from CCTV Camera and DVR surveillance | 【APPLICATION:】RCA to BNC Adapter Suitable for CCTV security camera surveillance video, cameras, satellite, TV, DVRs, microphones and more; | 【PACKAGE:】In this kit packed with 10 Pcs bnc female to rca male adapter, 10 Pcs bnc male to rca female adapter and 10 Pcs bnc male to rca male adapter, total 30 Pcs

Material: DB9 coupler jionts made of copper nickel platen, fine solder joints, and good contact to ensure high-quality, durability and a long life. | Compatible: DB9 adapter Used for experimentation or prototype work with RS-232 serial ports, I/O cards, and any other device that uses a DB9 connector | Easy to Use: Simple and quick connections installation, no welding required, Only needs a small screwdriver and a wire stripper to install | Reliable: All signal ports named and labeled clearly, terminal block design with set screws provides reliable electrical connections utilizing no special tools | Wildly Applications: The d sub connector fit for computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication