2 New Gibraltar 06220-4101X25 

7 Point Lobed Knob M10x1.5 25mm 

2 pieces & Free US Shipping

Type      Lobed

Style      Threaded Stem

Head Diameter (mm)       50.0000

Number of Points             7

Stem Size             M10x1.5

Material               Thermoplastic

Height (mm)        32.0000

Thread Length (mm)        25.000