Willow Grading: GM cricket bats are graded according to the quality of the willow as follows: Original L.E. Best unbleached grade 1 wood. Tested for performance. No blemishes. Original Superior unbleached willow with minor blemishes. 909 & 808 Unbleached straight grains with minor blemishes & colour on one edge. 606 Grade 3 wood. Bleached with minor blemishes & colour on one edge. 303 Bleached Grade 4 wood with knot marks & stain. Fitted with bat face. Driguard: All GM bats are dipped in driguard to prevent toe swell.