10pcs M5x16mm Flat Countersunk Head Hex Socket Left Hand Thread Bolt DIN7991 Electrical Repair Package Content:5 Pcs x Potentiometer

Package Content:5 Pcs x Potentiometer Rotary Knob

these curtain rings are rust-proof and can be used in humid places

High strength catch and strike

and liquid and gas leakage problems

10pcs M5x16mm Flat Countersunk Head Hex Socket Left Hand Thread Bolt DIN7991 Electrical Repair Package Content:5 Pcs x PotentiometerMade of 40Cr Steel material,black oxide finish,hex socket flat head,left hand reverse thread design. Fixing component, industrial and construction fasteners. To tighten a reverse threaded screw, you turn it counter clockwise. To loosen a reverse threaded screw, you turn it clockwise. Used widely in home, office and factory appliance, communication equipments, ship assembly and other machinery industry.