Precise 81 Piece Ceramic Rectangular Gage Block Set

Grade 0 (2)  

• Each set includes standard sizes found in more expensive sets. Each block individually serialized and conforms to the rigid standards of the National Bureau Of Standards.
• Grade 0 (2) tolerances = 4, -2 millionths.
• 9 Blocks = .1001-.1009"   Step = .0001"
• 49 Blocks = .101-.149"     Step = .001"
• 19 Blocks = .05-.95"         Step = .05"
• 4 Blocks = 1-4"                Step = 1"