Tulip Point Protectors - Tulip Needle Company-Point Protectors: Large. Put the tulip shaped point protectors on the double-pointed knitting needles in order to use them as single-pointed needles. The protectors keep your stitches from slipping off the needle when you put your work down. This 4x2x3/4 inch package contains two point protectors. Comes in a variety of colors. Each sold separately. Imported.