uxcell M6x50mm Male Thread Plastic Star Shaped Head Clamping Knob Grip 8 Pcs Weight: 150g; Product Name: Star Head Knob Main Material: Plastic, Metal; Package Content: 8 x Star Head Knob Main Color: Black, Silver Tone; Thread Size: 6 x 50mm/ M6 x 2"(D*L) Star Head Dia: 15mm/ 0.6"; Total Height: 69mm/ 2.7" Head Shape: 5 Point Star