... plastic 2) Thread:M10 3) Superiority:smooth thread leveler leg feet,adjustable leg, adjustable foot YK-H0541) Material: iron +plastic 2) Thread: ... plated Function:1) Adjustable table, desk, cabinet, other furniture foot length, make it stable.2) Leveling table and desks or other pieces ... furniture plastic and hardware such as:pipe plugs,adjustable feet,insert nuts,T-nuts, rivet nut, furniture handle, ...