So this is the IRWIN 30514 drill bit - it's a 7/32 LHCOB model that comes in a massive 135-foot bulk pack. If you're not familiar with the terminology, LHCOB stands for Left Hand Cobalt, which basically means these bits are designed for tougher materials and more demanding applications than your standard drill bits. The cobalt construction makes them seriously durable and heat-resistant, so they can handle drilling through hard metals, stainless steel, and other challenging materials without wearing out quickly. The left-hand twist is particularly useful for removing broken bolts or screws - when you drill in reverse, the left-hand flutes can help back out stuck fasteners that regular right-hand bits might just spin against. The 7/32 size (about 5.56mm) is a pretty common diameter for various industrial, automotive, and construction applications. Coming in a 135-foot bulk pack means you're getting a professional-grade quantity that's perfect for workshops, job sites, or anywhere that goes through drill bits regularly. IRWIN is a trusted brand in the tool world, so you know these are going to be well-made with consistent quality across the entire pack. They're the kind of drill bits that serious DIYers and professionals rely on when they need something that won't let them down mid-job.
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