Rect angular Inch System Gage Block Sets, Individual Blocks and Accessories All sets are furnished in a handsome, rugged wood case for lasting protection INCH Gage Block Sets Rectangular croblox® Gage Block Sets in Case Cat. No. Accuracy Grade* Measuring Range Blocks Per Set Blocks Included In Sets RC 81.A1 B89.1.9 0 .100-12.000 in Steps of .001 .200-12.000 in Steps of .0001 81 9 Blocks .1001 Through .1009 (Steps of .0001) 49 Blocks .101 Through .149 (Steps of .001) 19 Blocks .050 Through .950 (Steps of .050) 4 Blocks 1.000 Through 4.000 (Steps of 1") RC 81.AA B89.1.9 00 RC 81.LM** Webber LM RC 88.A1 B89.1.9 0 .100-12.000 in Steps of .001 .200-12.000 in Steps of .0001 .300-12.000 in Steps of .000025 1/16-12.000 in Steps of 1/64 88 Same as in RC 81. Set, Plus 3 Blocks .100025, .10005, .100075 4 Blocks 1/16, 5/64, 3/32, 7/64 RC 88.AA B89.1.9 00 RC 88.LM** Webber LM RC 34.A1 B89.1.9 0 .200-8.000 in Steps of .001 .300-8.000 in Steps of .0001 34 9 Blocks .1001 Through .1009 (Steps of .0001) 9 Blocks .101 Through .109 (Steps of .001) 9 Blocks .110 Through .190 (Steps of .010) 3 Blocks .100 Through .300 (Steps of .100) 1 Block .500 3 Blocks 1.000, 2.000 and 4.000 RC 34.AA B89.1.9 00 RC 34.LM** Webber LM RC 28.A1 B89.1.9 0 .020-.240 in Steps of .001 .040-.240 in Steps of .0001 .060-.240 in Steps of .00005 28 1 Block .02005 9 Blocks .0201 Through .0209 (Steps of .0001) 9 Blocks .021 Through .029 (Steps of .001) 9 Blocks .010 Through .090 (Steps of .010) RC 28.AA B89.1.9 00 For gage block accessories, order AC 11.A Accessory Set in Case. Sets include etched serial numbers and Commercial Calibration Certificate. A Master Calibration Certificate is available at extra cost. * For complete accuracy specifications, see the beginning of this section. ** Available by special order only. 380 S t arrett -W ebber G age B locks