Katrinkles WPI Tools

• Wraps Per Inch Tool (with yarn weight grooves) - for measuring the thickness of any yarn. Wrap the yarn into the inch-wide notch and compare the number of times your yarn fits in the slot with the key, or estimate by which groove corresponds to your yarn

• WPI Singles - this wraps per inch tool has grooves to measure the thickness of your single plies when spinning

• Cats Per Inch - the WPI tool, with 100% more cat

Product Details:

• Material: Cherry

• Approximate Size: 2.5" square; cat is 4” x 3” 

Because they are made of a natural material, the appearance of each tool may vary slightly.