Wheel fitting and eccentric wheel is make of alloy steel, while pre-inserted nut is make of, they is pratical and strong enough for your furniture connection These screws ensures long terms and reliability for all your furniture needs Perfect joint set for furniture, cabinet, drawer, dresser, nylon pre-inserted nut adopting expansion principle for perfect locking The eccentric wheel Bolts nut fastening Systems provide quick and efficient assembly, saving you time and effort Suitable for most of furniture, cabinet, drawer, dresser, Manufacturer: alloneslife