Wera Tools - Bit-Check 6 SHK 1 SB6 Wera bits (50 mm length) neatly arranged in the smallest of spaces in the practical Bit Check. Particularly suitable for plumbing, heating and air conditioning; Bit Checks allow a quick overview of the available tools. Unused bits are simply put back in the holder and will not be lost. Easy transport e. g. in your shirt pocket. The tough bits are suitable for universal use. Features Included bits particularly suitable for HVAC applications Tough