3M High Strength Small Hole Repair All in One Applicator Tool has a unique form factor to include everything you need for small wall repairs. The innovative bottle has a putty knife, primer enhanced spackle, and sanding pad all in one convenient tool. This product is a perfect addition to anyone's junk drawer or painting supplies for quick fixes.3M High Strength Small Hole Repair All in One Applicator Tool has a unique form factor to include everything you need for small wall repairs. The innovative bottle has a putty knife, primer enhanced spackle, and sanding pad all in one convenient tool. This product is a perfect addition to anyone's junk drawer or painting supplies for quick fixes.