Grease Lubricant, 5 lb, Tub no checkout Extra throat depth Non slip clamping on Extra throat depth Non slip clamping on all shapes Steel spindles are copper plated for spatter protection Swivel pads adjust freely to bear evenly on clamped part Individually boxed for easy storage and protection Compatible across the range of hole saws Various shank sizes 3 8 inch or 1 2 in drills Short pilot drills and arbors require a 3 1 16 inch pilot bit Long pilot drills and arbors have a pass through shank Hex arbors with non slit jaw slots are positive drive heavy duty lubricant that is compatible with most other lubricants Will not run or form gummy deposits