Porter Cable 874582 Clamp KnobThis part is compatible with the following machines:Porter Cable537 RouterPorter Cable697 Router Table1001 Type 1 Router Base1002 Type 1 Router1002 Type 2 Router1002 Type 3 Router290 Type 1 Cordless Router690 Fixed Base Router691 Type 1 D Handle Router691 Type 2 D Handle Router691 Type 3 D Handle Router691 Type 4 D Handle Router691 Type 5 D Handle Router691 Type 6 D Handle Router691 Type 7 D Handle Router6911 Type 1 D Handle Route Base6911 Type 2 D Handle Route Base6911 Type 3 D Handle Route Base6911 Type 4 D Handle Route Base6911 Type 5 D Handle Route Base6911 Type 6 D Handle Route Base6911 Type 7 D Handle Route Base7518 Type 1 Fixed Base Router7519 Speedmatic Router75361 Speedmatic Router Motor75371 Speedmatic Router Motor883799X Router6912 Type 1 D Handle Router6912 Type 2 D Handle Router6912 Type 3 D Handle Router6912 Type 4 D Handle Router6912 Type 5 D Handle Router6912 Type 6 D Handle Router6912 Type 7 D Handle Router7518 Type 3 V-S 3 1/4 H-P Router5182 Type 1 Motor5182 Type 2 Motor5182 Type 3 Motor5182 Type 4 Motor630 Type 1 1HP Router7537 Type 1 2-1/2 HP Router7536 Type 1 2-1/2 HP Router6301 Type 1 Router5371 Type 1 Router518 Type 1 Router518 Type 2 Router518 Type 3 Router518 Type 4 Router5361 Router5372 Router5362 Router691 Type 8 1-3/4 HP D-Handle Router100 Electric RouterBlack and Decker75361 Type 2 Conventional Base7519 Type 3 3 1/4 HP RouterDelta5142 Router