Compatibility: This part is compatible with the following machines: DeWALT DW628 Type 1 3-1/2 Inch Fixed Base Router DW488 Type 1 Sander/Grinder DW493 Type 1 Sander/Grinder DW494 Type 1 Sander/Grinder DW494-220 Type 1 Sander/Grinder Black and Decker 4075 Type 2 Sander 4075 Type 3 Sander 4075 Type 4 Sander 4075 Type 5 Sander 4076 Type 1 Sander 4076 Type 2 Sander 4076 Type 3 Sander 4076 Type 4 Sander 4076 Type 5 Sander 5590 Type 1 M/S 7/9 H.D. Grinder 5590 Type 2 M/S 7/9 H.D. Grinder 5591 Type 1 M/S 7/9 H.D. Grinder 5591 Type 2 M/S 7/9 H.D. Grinder 4075 Type 1 Sander 3912 Type 4 12 Cut Off Machine 3912 Type 41 12 Cut Off Machine 3934 Type 2 14 Chop Saw 3934 Type 3 14 Chop Saw 3934 Type 4 14 Chop Saw 2730 Type 1 14 Chop Saw 2730 Type 3 14 Chop Saw 2730 Type 4 14 Chop Saw 4052 Type 6 Sander 120 Volt 4052 Type 5 Sander 120 Volt 4052 Type 4 Sander 120 Volt 4052 Type 3 Sander 120 Volt 4052 Type 2 Sander 120 Volt 4049 Type 6 Sander 120 Volt 4049 Type 5 Sander 120 Volt 4049 Type 4 Sander 120 Volt 4049 Type 3 Sander 120 Volt 4049 Type 2 Sander 120 Volt 3328 Type 2 3 1/2 H.P. Router