Strong, 1-piece, tempered spring steel construction

Precision ground tip assures gauge will grip behind siding plank

Works with 5/16" (7

94mm) fiber cement siding

1 person application

2 gauges support entire length of plank and precisely gauge a standard 1-1/4" (31

75mm) overlap in 1 easy step

No adjustments to vary and nothing to mark

Will not mar finish of prepainted siding