Small, skirted, solid metal aluminum knob with scalloped grip, silver with black indicator line and set screw. Diameter (bottom): 18,8mm. Diameter (top): 13mm. Shaft hole: 6,3mm.
Extra-Large, skirted, solid metal aluminum knob with scalloped grip, black with white indicator line and set screw. Diameter (bottom): 35,5mm. Diameter (top): 19mm. Shaft hole: 6,3mm.