Johnson RTS24 RockRipper Drywall Scoring Square, 24" Bath / Shower Mats Shaft Diameter : 3/16 IN

Shaft Diameter : 3/16 IN (4

Do not subject the finish to washing for at least 30 days

Rubber gasket provides a tight seal and resists heat

W x L: 3-1/2" x 36"

Countdown function provides for a time "on" period of up to 19 hours and 59 minutes

Johnson RTS24 RockRipper Drywall Scoring Square, 24" Bath / Shower Mats Shaft Diameter : 3/16 INHighlights: Perforated (1 16" offset) 24" blade accepts utility knife point for fast and efficient drywall scoring Molded high impact head with hand grip and board guide Extruded aluminum 1 8" thick blade and head Clear protective anodized finish will not rust or corrode Screened thermal bonded black graduations Large bold graduations and numbers for readability