Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to install roller blinds [title] Gather your materials. You'll need white wall plugs and 8-gauge 1-inch phillips head screws. [step] You'll also need a drill bit, but which kind of bit depends on your materials.

Ending1: Eject the bolts holding your window frame in. Use the drill bit to loosen and loosen your window frame screws. Ending2: [title] Have a box/box of quarters or 1-inch nails that go in each corner. [step] Consider removing any thin glass opening at the top of the box. Ending3: You'll need a mounting plate or display plate for the frame and two hanging bars or thin canvas bibs for the frame. [substeps] Glass display plates are staples needed to keep the blinds on the frame. Ending4: If you're drilling into concrete, brick or plaster you should use a 5.0 mm diameter masonry drill bit. If you're drilling into wood or steel you should use a 3 mm diameter high speed steel drill bit.

Answer format: ending1/ending2/ending3/ending4