Check the listing for details. Cleco 10005250 RBI 206 Microstop Cage, Offset Mounting Base. Condition: New. Listed at 248.00 USD. Cleco 10005250 RBI 206 Microstop Cage, Offset Mounting Base DescriptionProduct Image May Not Reflect Actual Model.Please Check Technical Specifications For Details.The Cleco 10005250 RBI 206 Microstop Cage, Offset Mounting Base features a cemented, hardened and ground chrome-nickel steel spindle mounted on a self lubrificating bronze body and a thrust bearing. Centring-cone of the cutter (120°) for perfect concentricity. Microstop depth adjustment (1 scale division = .001''). Microstop depth setting is held securely in place by locknut with seal. This patented feature allows an easy loosening of the locknut without damage to the drill cage. Different mounting bases available. For composites mounting base with vacuum.Technical SpecificationsShank Diameter: 0.236'' (ø 6mm)Cutter Thread: 1/4''-28Stroke: 0.236'' / 6mmWindow Style: SmallDiameter Max: 0.83'' (ø 21mm)Total Length Min: 3.74'' / 95mmTotal Lenth Max: 3.97'' / 101mm