Champion 177Pc Woodruff Key Assortment Imperial Assortments Woodruff Keys Alpha although they can also be although they can also be used to de nib and smooth hardwood Recommended for use when: Handling small instruments Made From Mild Carbon Steel 177 Pieces Replacement Packs Available Part # Size Pack Qty C177 1 1 2 x 3 32 WK2 12 C177 2 1 2 X 1 8 WK3 24 C177 3 5 8 x 1 8 WK5 24 C177 4 5 8 x 5 32 WK6 12 C177 5 3 4 x 1 8 WK7 12 C177 6 3 4 x 3 16 WK9 12 C177 7 3 4 x 5 32 WK8 12 C177 8 7 8 x 3 16 WK11 12 C177 9 1 x 3 16 WK13 12 C177 10 1 x 1 4 WK15 12 C177 11 1 1 8 x 3 16 WK16 6 C177 12 1 1 8 x 1 4 WK18 6 C177 13 1 1 4 x 1 4 WK21 3 C177 14 7 8 x 1 4 WKA 6 C177 15 1 1 8 x 5 16 WKC 6 C177 16 1 1 4 x 5 16 WKD 3 C177 17 1 1 4 x 3 8 WKE 3