Inch   Metric

Order No Parts Range Extension Rods Head Travel 137-012 Parts Break Down 2-2.5in   .5in 137-014* Parts Break Down 2-2.5in   .5in 137-211 Parts Break Down 2-6in .5,1,2 in .5in 137-212 Parts Break Down 2-12in .5,1,2 (2pcs.),4 in .5in 137-213 Parts Break Down 2-20in .5,1,2 (2pcs.),4,8 in .5in 137-214 Parts Break Down 2-40in .5,1,2 (2pcs.),4,8,(2pcs),12 in .5in 137-215 Parts Break Down 2-60in .5,1,2 (2pcs.),4,8,(3pcs),12(2pcs) in .5in 137-216* Parts Break Down 2-6in .5,1,2 in .5in 137-217* Parts Break Down 2-12in .5,1,2 (2pcs.),4 in .5in 137-218* Parts Break Down 2-20in .5,1,2 (2pcs.),4,8 in .5in 137-219* Parts Break Down 2-40in .5,1,2 (2pcs.),4,8,(2pcs),12 in .5in 137-220* Parts Break Down 2-60in .5,1,2 (2pcs.),4,8,(3pcs),12(2pcs) in .5in 139-002   4-5in   1in 139-178 Parts Break Down 4-20in 1,2,4,8 in 1in 139-179 Parts Break Down 4-36in 1,2,4,8,16 in 1in 139-180 Parts Break Down 4-52in 1,2,4,8,16 (2 pcs) in 1in 139-181 Parts Break Down 4-68in 1,2,4,8,16 (3 pcs) in 1in 139-182 Parts Break Down 4-84in 1,2,4,8,16 (4 pcs) in 1in 140-161 Parts Break Down 40-80in 2,4 (2pcs),8,20 in 2in 140-162 Parts Break Down 40-120in 2,4, (2 pcs) 8,20,40 in 2in 140-163 Parts Break Down 40-160in 2,4, (2 pcs) 8,20,40 (2 pcs) in 2in 140-164 Parts Break Down 40-200in 2,4, (2 pcs) 8,20,40 (3 pcs) in 2in