Description: 【Winter Pipe Protection】: This Pool Plug creates a watertight seal in your return and skimmer lines, effectively blocking water from entering and freezing, which prevents from cracking and bursting during the cold off season 【All Weather Construction】: Built to last through harsh winters, this Pool Return Line Plug features a high elasticity expander for a superior seal, a tough PP plastic body, and sturdy stainless steel hardware 【Effortless & Secure Installation】: No tools require. Simply insert the plug into the 6.3 cm/2.48 inch pipe opening and hand tighten the easy grip wing nut. The Pool Winterizing Plug expands to lock securely in place, providing a reliable, leakproof fit that stays put all winter long 【Versatile Utility】: More than just a winterizing tool, this Above Ground Pool Skimmer Plug is essential for general pool maintenance to stop water flow during equipment repairs, pressure test your plumbing lines, or temporarily block outlets and skimmers, etc 【Multifunctional for Home & Pool】: While great for in ground and above ground pools, the Pool Plug is also suitable for various household drains, like kitchen sinks, bathroom tubs, or laundry room drains whenever you need a dependable, tight sealing stopper Specification: Material: Stainless Steel PP Size Chart: 6.3 cmx6.3 cmx4 cm/2.48 inchx2.48 inchx1.57 inch Package Includes: 1 Pool Plug Note: Please allow slightly errors due to manual measurement and different monitors.