PART NO. THREAD TUBE O.D. DIMENSIONS E F D A B L S1 S2 1QL-10 M10X1 M10X1 5 12.5 8 27.5 17 14 1QL-12 M12X1.5 M12X1.5 6 15.7 12 35.2 17 14 1QL-12-10 M12X1.5 M10X1 6 15.7 8 29.5 15 14 1QL-14 M14X1.5 M14X1.5 8 17 12 36.5 19 17 1QL-14-12 M14X1.5 M12X1.5 8 17 12 36.5 17 17 1QL-16 M16X1.5 M16X1.5 10 18 12 39.5 22 19 1QL-16-14 M16X1.5 M14X1.5 10 18 12 38 19 19 1QL-18 M18X1.5 M18X1.5 12 18 12 39.5 24 22 1QL-18-16 M18X1.5 M16X1.5 12 18 12 38 22 22 1QL-22 M22X1.5 M22X1.5 14 19.5 14 45 27 27 1QL-22-18 M22X1.5 M18X1.5 14 19.5 12 39.5 24 27 1QL-27 M27X1.5 M27X2 18 20 16 49 34 32 1QL-27-22 M27X1.5 M22X1.5 18 20 14 44 30 32 1QL-30-27 M30X1.5 M27X2 20 23 16 50 34 36 1QL-33 M33X2 M33X2 22 26 18 59 41 41 1QL-33-27 M33X2 M27X2 22 25 16 55 34 41 1QL-36-33 M36X2 M33X2 25 25 18 56 41 41 1QL-39-33 M39X2 M33X2 28 26 18 57 41 46 1QL-42 M42X2 M42X2 32 28.5 20 65.5 50 50 1QL-45-42 M45X2 M42X2 34 28.5 20 62.5 50 50 Note :In case if you are interested to order the adapter in complete set with sleeve and nut ,it is necessary to insert suffix "RN" after our part no.,for example 1QL-18-16RN