This 3-piece tool kit for scribing inside corners, a pin vise, a special cove scriber and  instructions. Use the cove scriber to scribe lines on the felt for positioning the cove template, then use the cove template for scribing the inside cove pattern on the vinyl. 

For the best results, have the contractor make every corner square and finished drywall  all the way to the floor sanded and primed

• Simplifies cove corner installations
• Consists of cove template, pin vise, special cove scriber and pin vise
• Detailed instructions are included
• Produces a cove to 3-3/8" standard height (adjustable if needed)
• Cove scriber and pin vise needles are replaceable
• Uses No. 129 Scriber Needles