Noiseless operation - aluminum axle. Deep groove keeps line on pulley, Compatible with most standard clotheslines, 2 Pack Clothesline Pulley HIGH Grade Impact Plastic 4' Wheel Weather Resistant: Home & Kitchen. 4" wheel - white, No noise with a quiet operation. Unlike the noise those old metal pulleys make. Easy and simple use, Durable construction provides stable support to clothesline year round, Weatherproof, A high quality made of plastic with aluminum axle. Buy 2 Pack Clothesline Pulley HIGH Grade Impact Plastic 4" Wheel Weather Resistant: Clotheslines - ✓ FREE DELIVERY possible on eligible purchases, Pull your line with finger touch ease.