Zinc alloy die cast housing and nylon cylinder.
Bright chrome plated standard.
3 disc tumbler mechanism.
Brass keys, nickel plated, with plastic cover.
Silver plated contacts and terminals.
S331 2 position (on-on) 60 index 3 terminals.
S332 2 position (off-on) 60 index 2 terminals.
S333 3 position (off-on-on) 60 index 3 terminals.
Hex nut or speed clip mounted.