McMaster 6851N21 Gray Plastic Clearance Gauge, Pack of 10 809K13 Most Standard Utility Knives Blade Most Standard Utility Knives Blade Dispenser Included Yes Blade Point Type Sharp Number of Blades Included 50 Number of Cutting Edges 1 Mount Type (2) Holding Notches Blade Tip Standard For Cutting Leather Yes For Cutting Cardboard Yes For Cutting Paper Yes Blade Design 1 For Cutting Fabric Yes Includes Blade Dispenser Yes Blade Edge Type Straight For Cutting Rubber Yes Material Application Carpet Pressure Rating Low Pressure Shape Straight Fitting Type Flange Fitting Connection NPT Female Pipe Size (A) 3 (B) 3 Flanged Connection Surface (B) Raised Flange OD 7 1 2" For Bolt Diameter 5 8" Bolt Hole Diameter 3 4" Number Of 4 Bolt Circle Diameter 6" Pressure Class 150 Material Galvanized Steel Maximum Pressure @ Temperature 285 psi @ 72° F Maximum Steam Pressure @ Temperature 150 psi @ 300° F Certificate Form Digital Certificate Type Material Certificate with Traceable Lot Number Connects To Pipe Flange Construction One Piece For Fitting Material (A) Galvanized Iron (B) Galvanized Steel For Pipe Material Galvanized Steel For Pipe Schedule 40 For Fitting Pressure Class 125 For large bearings and wide surfaces Although generally less precise than calipers and hole gauges