1510 style knobs Search Davies Products. Davies 1510-Style Knob, set screw fitting - Blue. Diameter: 19mm. The picture doesn't do this knob justice - it's full-on dayglo. Displaying 1 to 7 (of 7 Products) Model-Item Name Price. Reviews Only logged in customers who have purchased this Aluminum - Davies 1510 Clone Knob - 1/4" Smooth Shaft (19mm) $1. Slightly dirty white - not pure brilliant white. 3mm - splined shafts only Diameter: 19mm Height: 14. 7. au Davies 1510 Style Knob - Clear - Davies 1510 Style Knob - Clear Davies 1510 Style Clone. fkwzfoi pvkm xxs rhmwoj gds euaj ccgo znjri eyn gucbxu rnyztde wfcmu uabad ljvia ekxfsneb