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Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/vhosts/springmark.com/httpdocs/include/db.php on line 196

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /var/www/vhosts/springmark.com/httpdocs/include/db.php on line 196
Bonnel

Bonnel

Our Bonnel spring system uses springs made of double conical treated hardened steel, with a periphery wire of great resistance and endurance.

The Bonnel spring uses a wire whose gauge can range from 2mm to 2.30mm and whose height can vary between 7,5 cm to 17,5 cm.