High volume suspension filing for your office 50kg suspension file carrying capacity per drawer 15 year guarantee undefeatable anti tilt locking mechanism which means only one drawer will open at a time 100 drawer extension 2 key mastered series levelling feet supplied with 2 clip on channels per drawer suitable for a4foolscap filing 2 drawer unit comes with counter balance as standard certifications bs en 140742004 14073 22004 14073 32004 bs 4875 72006 level 4 bs 4875 8199