A blank drawer insert that can accommodate:

• 1/4" sockets: 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm
• 1/4" long sockets: 8, 10, 11, 12, 13 mm
• 1/4" extensions: 50.8, 101.6 mm
• cardan joint 1/4"
• T-type knob 1/4"
• ratchet 1/4"
• 1/4" socket knob