You can choose whether you want multiple padlocks keyed alike or keyed different. If no option is chosen, the locks will be keyed alike as default. The 543 cannot be keyed alike the ROTASERA Padlocks as they use a different cylinder and key.
Padlocks

2" ROTASERA Padlock 3/8" Shackle
$140.00
$140.00

ABUS 83/50 with ROTASERA cylinder and 2 keys
$140.00
$140.00

ABUS 83/45 with ROTASERA cylinder and 2 keys
$130.00
$130.00

ABUS 83Mar/45 with ROTASERA cylinder and 2 keys
$140.00
$140.00

ABUS 83WP/63 with ROTASERA cylinder and 2 Keys
$150.00
$150.00

ABUS 83WPCS/53 with ROTASERA cylinder and 2 keys
$135.00
$135.00

ABUS 83CS/55 with ROTASERA cylinder and 2 keys
$175.00
$175.00