Bookscrews
Top and foot black lacquered
Thread M4
Post 5 mm diameter
Top + foot 10 mm diameter
Head slotted, foot from 6 mm capacity closed and unslotted
smaller are opened
Complete with screw top
Capacity: 2; 3.5; 5; 7; 10; 15; 20; 25; 30; 35; 40 mm