Features: High Quality: Surround Knobs is-made of plastic-stainless steel,rustless and durable. Easy to Install : Plug and-play, no other tools are needed. High quality: knob made of premium-heavy duty automotive-grade black abs-plastic ,and has more threads at base of pins, the pin made of stainless steel metal,no rust and built to last. Easy to install : Plug and-play, no tools or other products needed, knobs screw into place,direct replacement to your original unit. Perfect direct-fit replacement for your broken or missing original knob.The knobs has less groves then original Knobs for better grip. Specifications: Material:Metal+Plastic Length:Approx.9.28cm/3.65inch Length:Approx.4.3cm/1.69inch Color:Black For JK 6EA 4 Door 2007-2018 Package Includes: 1 Set Window Frame Knobs Pins note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.