Sealey digital height gauge 0 300mm 0 12 sealey ak9636d precision ground base with six button electronic gauge includes fine adjustment control carriage for accurate use six digit lcd read out displays in metric or imperial features absolute and comparative functions tolerance function enables fast check of batch work supplied with scriber foot and clamp powered by cr2032 cell included and supplied with storage case sealey ak9636d digital height gauge 0 300mm 0 12