【Portable Design】With a magnetic absorption design , this bit holder is slim , compact and easy to carry to any work site , making your work more effortless and efficient 【Magnetic Base】The magnetic design ensures a firm hold on the base , securing drill bits without them falling into the toolbox , they won't slip out even when inverted , yet are easy to take out 【Package Includes】You will receive 8 pieces of 37 hole drill bit organizers , 2 pieces each in Red , Green , Blue and Orange , measuring approx 7×1.2×0.8 inches / 17.9×3.1×2 cm 【Easy Access】This 37 hole drill bit organizer is compatible with 1/4 inch drill bits , keeping all bits stored in one place . The lidless design ensures full visibility of bits of all sizes ; the spacious interior holds various drive units and parts , eliminating the hassle of repeatedly opening and closing a lid 【Premium Construction】The hex drill bit holder is made of sturdy , impact resistant ABS , featuring oil and wear resistance , and is far more long lasting than ordinary plastic cases