6 25 mm long wera bits sufficiently and clearly arranged in the most confined space in a practical mini check the mini check is so small that it can easily be carried eg in the shirt pocket the bits have an extra hard tin coating tin stands for titanium nitrite it is able to withstand permanent loads such as during continual screwdriving operations in series manufacturing also included 1 universal bit holder 89341 k with stainless steel sleeve and strong permanent magnet suitable for p