Fowler 53-670-081-0 81 Piece Rectangular Steel Gage Block Set

Features:

• Grade AS1
• Each block is rectangular steel and hardened to 65RC, stress relieved, lapped to accurate size, parallelism and flatness, then carefully inspected and marked for size;  designed to meet close tolerances
• Each set includes standard sizes found in more expensive sets.  Each block individually serialized; conforms to rigid standards of the National Institute of Standards & Technology
• Price includes fitted wood case
• Blocks included in each set:
• 9 Blocks 0.1001'' thru 0.1009'' step of 0.0001''
• 49 Blocks 0.101'' thru 0.149'' steps of 0.001''
• 19 Blocks 0.050'' thru 0.950'' steps of 0.05''
• 4 Blocks 1.000'' thru 4.000'' steps of 1.000''