1 pc TAS-500 DTX: 3/4" shank; 1/2" min bore; 1-5/16" max bore; 2-15/16" overall length; TCMT21.5 carbide TiN coated insert; M2.5 x 6 insert screw 1 pc TAS-750 DTX: 3/4" shank; 3/4" min bore; 1-17/32" max bore; 3-5/32" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw 1 pc TAS-1000 DTX: 3/4" shank; 1" min bore; 1-3/4" max bore; 3-3/8" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw 1 pc TAS-1250 DTX: 3/4" shank; 1-1/4" min bore; 1-31/32" max bore; 3-19/32" overall length; TCMT32.5 carbide TiN coated insert; M4 x 8 insert screw.