fit with set screw Fits any spline size Note: the metal, insert is being replaced by a selection of plastic adapters – this should allow for a more secure fit in some cases Align the adapter with the set screw on the handle and pass the screw through the hole and set directly on metal spindle shaft Constructed of steel and comes in a white finish, Weight: 0.75618555866 pounds, Manufacturer: Wilafury_E81_5099861