Head material: Plastic
Hand diameter:32mm
Thread material:Carbon steel zinc plated
Total Size as follow:

M8:
Handle screw M8x12mm: (3pcs)
Handle screw M8x16mm: (3pcs)
Handle screw M8x20mm: (3pcs)
Handle screw M8x25mm: (4pcs)
Handle screw M8x30mm: (3pcs)
Handle screw M8x35mm: (4pcs)
Handle screw M8x40mm: (4pcs)
Handle screw M8x50mm:(3pcs)