golden grease nipple

abstract accessories air artistic attractive automotive background ball bearing beautiful bend bent blur bolt brass bright check chrome color component connection connector design display drat effect elegant element equipment factory fitting glowing golden grease hole hydraulic image impact industry injection inlet interesting iron light lubricant machine maintenance manufacture material mechanic mechanical metal metallic nipple object ornament part pattern photography pile portrait pressure product pump shape shiny silver small spare stainless steel structure theme thing thread tools type unique valve white