MADE OF HIGHLY DURABLE ABS PLASTIC - ABS plastic is the best choice for applications that require constant exposure to the elements. Hardened ABS plastic is highly durable; resistant to wear, UV rays, extreme temperatures, and deformation. This pool hose cuff will be dependable all year round.EASY TO INSTALL THREADED POOL HOSE CUFF - Twist the threaded pool hose cuff into the end of the spiral-wound hose. Standard spiral-wound hoses thread backward, meaning youll need to twist the cuff to the left to tighten and twist to the right to loosen.CONNECTS THE VACUUM HEAD TO THE VACUUM SKIMMER INLET - The exact fit allows for an effortless connection between the pool hose cuffs smooth end to a vacuum head and/or a skimmers suction port. Both ends of the spiral-wound swimming pool vacuum hose require cuffs so, if one end has a cracked cuff, you may also need to replace the end.REPLACEMENT 1-1/2 POOL HOSE CUFF - Pool hose cuffs can crack and deteriorate over time. So, when its time for a replacement, select a high-quality pool hose cuff that not only fits perfectly but also offers excellent longevity.THREADED HOSE CUFF FOR SPIRAL WOUND SWIMMING POOL VACUUM HOSE - The cuffs female threaded (internal thread) is a universal fit for 1 1/2-inch spiral wound pool vacuum hoses while the smooth end fits standard vacuum hose ports, ensuring an airtight hose connection without fail.