Compact, tough, solid oak block has 40 holes drilled along the top to hold punches, small screwdrivers, palm chisels, needle files, gravers, pencils, scribes right where they're always handy. Frees up tool box space. Designed by a gunsmith for use on his own bench, and shared with us because it's such a great tool holder. Mfg: Brownells SPECS: 15" (38.1cm) long, 3" (7.6cm) wide, 2A 1/4" (5.7cm) high. 12 holes 7/16" (11.1mm) diameter; 16 holes 9/32" (7.1mm) diameter; 12 holes 3/16" (4.8mm) diameter. All holes 1A 1/4" (3.2cm) deep.