Crain 110 Inside Cove Corner Kit for scribing inside corner patterns comes with a specialized cove scriber, a cove template, a pin vise, and detailed instructions. The cove scriber is used to scribe lines on the felt for positioning the cove template. The cove template is used for scribing the inside cove pattern onto the vinyl. Afterwards, the cove scriber can also be used to scribe the top edge onto the vinyl to fit the cap metal. Produces a cove to 3 3/8" standard height, but is adjustable for greater height if needed. The cove scriber and pin vise take Crain No. 129 needles.