[Precise Fitment & Compatibility] Engineered for 18-inch bars with 3/8" Low Profile (LP) Pitch, .050" (1.3mm) Gauge, and 62 Drive Links. This chain is a perfect fit for Poulan 4218, 4018, Wild Thing, P3816; Echo CS-310, CS-352, CS-370, CS-400; Ryobi RY3818; EGO CS1800; and Remington RM4218. Please check your guide bar stamp to confirm the 62 drive link count, as 18-inch bars can vary between 60, 62, or 63 links. [10X Lifespan with Carbide Tips] Eliminate the downtime of constant sharpening. ZENTOP carbide-tipped cutters stay sharp 10 times longer than standard steel chains. It is the ultimate solution for professional logging and land clearing, especially when tackling "dirty wood," stump grinding, or frozen timber that would dull a normal chain in minutes. [German Steel & Heat-Treated Strength] Built with high-tensile German Steel for the chassis and precision heat-treated blades, this chain resists stretching and snapping under extreme loads. The industrial-grade Japanese chrome plating provides a razor-sharp edge and superior rust resistance, ensuring the chain remains a reliable companion even after long periods of storage. [Advanced Anti-Kickback Safety] Safety is paramount in high-intensity cutting. Our specialized Anti-Kickback design combined with hardened rivets reduces vibration and prevents sudden jolts. Whether you're felling large hardwoods or bucking firewood at home, experience a smoother, more controlled, and safer cutting path. [Professional Performance in Harsh Conditions] Where standard chains fail upon contact with sand, mud, or grit, ZENTOP thrives. The extra-tough alloy cutter heads are highly resilient against abrasive wear, making it the "go-to" choice for storm cleanup and reclaiming land. Get more done with less maintenance and professional-grade cutting prowess. Transform Your Cutting Experience with ZENTOP Carbide Resilience Imagine you’re tackling a weekend of storm cleanup or prepping a winter’s worth of firewood. With a standard chain, hitting a sand-covered log or a hidden knot means your work stops for a tedious sharpening session. ZENTOP Carbide Chains are engineered to keep you moving through the toughest debris. By fusing German-engineered steel with industrial-grade carbide alloy, we have created an 18-inch chain that maintains its sharpness 10 times longer than traditional chains. It is the perfect performance upgrade for popular saws like the Poulan Wild Thing, Echo CS series, or EGO electric saws, turning your tool into a high-efficiency cutter that laughs at dirt, sand, and abrasive grit. Why Choose ZENTOP? 10X Longer Life: Specifically built for "dirty wood" and abrasive environments where steel fails. Safety Optimized: Integrated anti-kickback features for stable, predictable operation. Reliable Build: Heat-treated links and Japanese chrome plating for maximum wear and rust resistance. Technical Specifications: Chain Material: Carbide Tipped Alloy / German High-Tension Steel Bar Length: 18-Inch Pitch: 3/8" Low Profile (LP) Gauge: .050" (1.3mm) Drive Links: 62 Compatibility: Optimized for Poulan, Echo, Ryobi, EGO, and Remington (62DL)