Size of lockers (bins)
M21 Cabinet: 9,5 cm Width x 7,5 cm Height x 17,5 cm Depth
M12 Cabinet: 8,0 cm Width x 6,0 cm Height x 5,0 cm Depth
S18 Cabinet: 9,5 cm Width x 5,5 cm Height x 9,0 cm Depth
Every Sharebox has lockers where keys are stored with remotely controlled openings. This is the size and capacity.