uxcell M4 x 30mm Stainless Steel Hex Socket Head Bolt Screws 5 Pcs Product Name : Hex Socket Screw;Material : Stainless Steel Color : Silver Tone;Thread Diameter : M4 / 4mm Thread Length : 30mm/1.2";Hex Width : 3mm/ 0.12" Overall Size : 33 x 7mm/1.3'' x 0.3'' (L*Max.D);Weight : 16g Package Content : 5 x Hex Socket Screws