Material

Glass-fibre reinforced polyamide based (PA) technopolymer, black colour, glossy finish.

Boss cap

Acetal resin based (POM) technopolymer, light-grey colour, push-fit assembly, removable by pressing on the outer edge (ELESA original design).

Standard executions

Black-oxide steel boss, H7 reamed hole.

Assembly by means of a keyway or a transversal pin in the semi-machined hole f or a set screw (redrill and tap hole f).

• IZN.380: plain knob.

• IZN.380+K: knob with matte anodised aluminium flange, triangular black index.

• IZN.380+FGS: knob with matte anodised aluminium flange, black graduation (marks and numbers).

• FGS 10/40 = 40 marks, numbering from 0 to 9 increases as the knob is turned clockwise.

• FGS 10/100 = 100 marks, numbering from 0 to 9 increases as the knob is turned clockwise.

For other numbering (see Graduations).