Best for large Dowling jig set. Made of high-quality aluminum alloy. This large set can turn wood pieces into professional-looking projects, with the 28Pcs Dowelling Jigs. It is made of durable anodized aluminum alloy that will not rust or corrode. The jigs also feature a stop collar to prevent over-drilling. The 28Pcs Dowelling Jig Set includes 6mm, 8mm, 10mm, and 12mm dowel bits to accommodate different dowel sizes. The set also includes a wooden box for easy storage and transport. PROS🟢 Great value set Great quality steel CONS🔴 No manual included