Growth investors focus on stocks that are seeing above-average financial growth, as this feature helps these securities garner the market's attention and deliver solid returns. However, it isn't easy to find a great growth stock.That's because, these stocks usually carry above-average risk and volatility. In fact, betting on a stock for which the growth story is actually over or nearing its end could lead to significant loss.However, the task of finding cutting-edge growth stocks is made easy with the help of the Zacks Growth Style Score (part of the Zacks Style Scores system), which looks beyond the traditional growth attributes to analyze a company's real growth prospects.W.W. Grainger (GWW) is one such stock that our proprietary system currently recommends. The company not only has a favorable Growth Score, but also carries a top Zacks Rank.Studies have shown that stocks with the best growth features consistently outperform the market. And for stocks that have a combination of a Growth Score of A or B and a Zacks Rank #1 (Strong Buy) or 2 (Buy), returns are even better.Here are three of the most important factors that make the stock of this seller of maintenance and other supplies a great growth pick right now.Earnings GrowthArguably nothing is more important than earnings growth, as surging profit levels is what most investors are after. For growth investors, double-digit earnings growth is highly preferable, as it is often perceived as an indication of strong prospects (and stock price gains) for the company under consideration.While the historical EPS growth rate for W.W. Grainger is 12.2%, investors should actually focus on the projected growth. The company's EPS is expected to grow 47.7% this year, crushing the industry average, which calls for EPS growth of 8.1%.Impressive Asset Utilization RatioAsset utilization ratio -- also known as sales-to-total-assets (S/TA) ratio -- is often overlooked by investors, but it is an important indicator in growth investing. This metric shows how efficiently a firm is utilizing its assets to generate sales.Right now, W.W. Grainger has an S/TA ratio of 2.12, which means that the company gets $2.12 in sales for each dollar in assets. Comparing this to the industry average of 0.8, it can be said that the company is more efficient.In addition to efficiency in generating sales, sales growth plays an important role. And W.W. Grainger is well positioned from a sales growth perspective too. The company's sales are expected to grow 16.6% this year versus the industry average of 5.5%.Promising Earnings Estimate RevisionsBeyond the metrics outlined above, investors should consider the trend in earnings estimate revisions. A positive trend is a plus here. Empirical research shows that there is a strong correlation between trends in earnings estimate revisions and near-term stock price movements.There have been upward revisions in current-year earnings estimates for W.W. Grainger. The Zacks Consensus Estimate for the current year has surged 4.5% over the past month.Bottom LineW.W. Grainger has not only earned a Growth Score of B based on a number of factors, including the ones discussed above, but it also carries a Zacks Rank #2 because of the positive earnings estimate revisions.You can see the complete list of today's Zacks #1 Rank (Strong Buy) stocks here.This combination indicates that W.W. Grainger is a potential outperformer and a solid choice for growth investors. Free Report Reveals How You Could Profit from the Growing Electric Vehicle Industry Globally, electric car sales continue their remarkable growth even after breaking records in 2021. High gas prices have fueled his demand, but so has evolving EV comfort, features and technology. So, the fervor for EVs will be around long after gas prices normalize. Not only are manufacturers seeing record-high profits, but producers of EV-related technology are raking in the dough as well. Do you know how to cash in? If not, we have the perfect report for you – and it’s FREE! Today, don't miss your chance to download Zacks' top 5 stocks for the electric vehicle revolution at no cost and with no obligation.>>Send me my free report on the top 5 EV stocksWant the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report W.W. Grainger, Inc. (GWW): Free Stock Analysis ReportTo read this article on Zacks.com click here.Zacks Investment Research