Description The Master Lock No. KB-50ML Medium Key Box for 50 keys provides organization and security for keys at home or for business. Colour-coded tags and labels make finding and returning keys quick and easy. The box is made of steel construction, and includes 2 keys, while mounting hardware is included.Exterior dimensions (H x W x D): 30cm x 23.9cm x 9.8cm.Interior dimensions (H x W x D) 29.3cm x 20.6cm x 5.7cm.Interior Volume: 3.42L.Weight: 2kg.