Adjustable Spring Hinge, Brass, 4 x 4-In. Category_Valves A specially designed parabollic flute

A specially designed parabollic flute form clears chips and debris fast to keep the bit cool

Can also be used as a drop box

Wide waist for optimal cutting speed and material removal

FeltGard pads allow for safe and easy movement of furniture over wood and other hard surface floors

with 3 in wheels

Adjustable Spring Hinge, Brass, 4 x 4-In. Category_Valves A specially designed parabollic flute4 Inch x 4", Brass Adjustable Spring Hinge, 1 4 Inch Round Corner, Designed For Hanging Self Closing Doors In Basements, Stairways, Garages & Entrances, Can Be Used In Residential, Commercial & Apartment Buildings, Closing Speed Is Adjustable, Fits Standard Hinge Cutout, 1 Per Pack.