– Execution <B>A</B>: black-oxide steel boss, plain blind hole.<BR>- Execution <B>B</B>: brass boss, plain blind hole.<BR>Assembly by means of transversal grub screws according to UNI 5929-85 (grub screws with hexagon socket and cup end). Supplied assembled.
Black, glossy finish.
The exclusive five-lobe shape (ELESA original design) offers the operator's fingers a proper grip and prevents unhealthy residues from depositing thanks to the glossy finish and to its solid shape without cavities.
Phenolic based (PF) Duroplast. Resistant to solvents, oils, greases and other chemical agents.
Polyamide based (PA) technopolymer.