BTB™ Depth Control Arm

This depth control arm with a 1/32" wide wheel on each end spaces the blade away fromthe encapsulated glass and is designed to roll smoothly along uneven (in & out) urethanesurfaces. The arm provides support for the Orange reverse blades to avoid any blade flappingor shaking. Use the long offset end under the Orange WK4RS blade. Use the short end underthe Orange WK4ZRS & WK24ZRS blades.WK11CW