uxcell 200pcs Stainless Steel Flat Point Hex Socket Grub Screws M3x4mm Drive Type: Hex Socket; Head Style: Hex Head Material: 304 Stainless Steel; Package Content: 200(+/-2%)pcs x Grub Screw Product Name: Grub Screw; Thread Size: 3 x 4mm/ 0.12" x 0.16"(D*L) Weight: 26g; Main Color: Silver Tone Thread Dia: M3/3mm; Hex Width: 1.5mm/ 0.06"