IN WOODEN OR PLASTIC CASE HEAT TREATED TO A HARDNESS OF 60/62 ROCKWELL , 2” LENGTH FOR CHECKING HOLE DIAMETER AND DISTANCE BETWEEN HOLES AND HOLE LOCATION PLUS SET ACCURACY: +.0002” /-.0000” · MINUS SET ACCURACY : -.0002” /+.0000” PART NO RANGE PCS/ SET PRICE 707-000 707A-755 707B-755 707-755 707C-755 707D-755 707E-755