... loss, the gage protection inserts have got shorter length and greater angle of the top. Formations: long ... salts and soft li mestones. Size and IADC available: 3 3/4" to 26" IADC 415,435,445,417, ... .7mm(8 3/8”),215.9mm(8 1/2”),222.2mm8 3/4”) 241.3(9 1/2”),244.4(9 5/8”), ... 250.8(9 7/8”) ... 269.8(10 5/8”),295.3 ...