Crain 520 Swivel Lock Carpet StretcherCrain 520 Swivel Lock Carpet Stretcher The Crain 520 Swivel Lock Carpet Stretcher features an adjustable swivel head that locks into multiple positions, making it ideal for stretching carpet in tight spaces or angled areas. Engineered for strength, stability, and professional results on every install. Adjustable swivel head locks at multiple angles Includes stretcher head, tubes, tail block, and carrying case High tension build ensures consistent