The exercise trampoline is made of commercial high-quality steel material and resistant PP material supports up to 220 pounds, available for adult&kids to daily workout or leisure and entertainment, you will have fun together with this 36inch trampoline.
Until the mid-1900s, most precision wear parts were made of steel. Even today, steel parts are still in use due to their affordability, as tungsten carbide parts tend to cost more up front. The performance benefits that tungsten carbide dies have to offer
Oilless Bushings are a type of graphite plugged bronze bushing.They are the perfect solution for projects where lubrication cannot easily be provided or where conventional lubricants may carbonise.