Click to expand Tap to zoom Lisle, Feeler Gauge. Standard for Univ. by Lisle Currently unavailable £11.51 | / SKU MCS530847 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Currently unavailable DescriptionLisle, feeler gauge. StandardDetailsUS sizes. Tool dimension 1/2" wide x 3 1/2" long. 15 steel blades .002" to .025" (.051mm to .635mm). Plus one 2" steel ruler.Univ.