This knob has been designed for heavy duty work where the use of a hammer for a firmer clamping action is required.
– Execution <strong>A</strong>: black-oxide steel boss, plain blind hole.<BR>- Execution <strong>B</strong>: brass boss, tapped blind hole.
Black, matte finish.
<P>Glass-fibre reinforced polyamide based technopolymer (PA) with the exception of VB.639/130 which is in glass-fibre reinforced polypropylene based (PP) technopolymer. Resistant to solvents, oils, greases and other chemical agents.</P>