Small 1/4" x 2-1/8" Write-On Area with attached clear vinyl wrap fits on even the smallest gauges Flexible labels will easily wrap around tool frames or the thimble of micrometers: ideal for hard-to-mark gages and small measuring devices. Material is #2147 pressure sensitive clear vinyl with a white write-on surface When properly applied, the information is protected from alteration, spills, and abrasion 120 Count SPI Wrap-Up Calibration Labels, 1/4" x 2-1/8" Write-On Area. Wrap-up calibration labels are ideal for hard-to-mark gages and small measuring devices. Flexible labels will easily wrap around tool frames or the thimble of micrometers. Material is #2147 pressure sensitive clear vinyl with a white write-on surface. When properly applied, the information is protected from alteration, spills, and abrasion.