Climax Part ISCC-037-025 Mild Steel, Black Oxide Plating Clamping Coupling, 3/8 inch X 1/4 inch bore, 7/8 inch OD, 1 3/8 inch length, 6-32 x 3/8 Clamp Screw
Effective on hard and soft shafts Design fully engages the shaft without marring High axial load and torque capacity Tolerance: +.003/-.000 Black oxide provides some corrosion resistance