Hold Down Clip for PrintinZ Zebra Plate

I installed the PrintrBot Simple Metal X Axis Upgrade and wanted a bigger PrintinZ Zebra plate to go on it. I ordered the 168x340 Zebra plate so it would cover the gaps in the end of the bed and not require me to reflash my firmware to move where the sensor drops down. I wanted a sure way to secure the bed that would not interfere where the bed slides along the printer body and allow me to easily take the Zebra Plate on and off. I drilled and tapped two 8-32 holes at each end of the new print be