0405030-5, 1/2 in. A or 4L, 4L220 thru 4L620, A20 thru A60, 5 ft. PowerTwist Plus Adjustable Link belt. (Shipped seperated from master box (25 ft.), will not have a sleave as the picture shows)PowerTwist Plus can't be outperformed! PowerTwist Plus sets the standard for link V-belt longevity and durability. Other brands don't come close. The combination of high strength and low elongation under load simply cannot be beaten. Because they're made of a custom-designed, high-tech polyurethane/polyester composite, PowerTwist Plus V-belts won't fail you when others may. The result? Less downtime. Higher productivity. Reduced maintenance costs. The right belt at the right time! Instead of trying to carry all the endless V-belt sizes you might need, with PowerTwist Plus, you only need to stock the most common cross sections - 3L, 4L/A, 5L/B, C and D - and you'll have almost 100%, on-site availability guaranteed. With PowerTwist Plus you will reduce the inventory dollars you have tied up in replacement V-belts and still have instant availability.