Stainless steel and aluminum construction eliminates the UV degradation of plastic parts found in most other blocks. Hard coat anodized aluminum sheaves with bearings. Integral stainless stand up spring. Welded universal joint eliminates lost parts. Spring loaded stop fits track's holes for quick adjustment. A 10 year warranty is included and all for a reasonable price!

• Safe Working Load: 1,150#
• Maximum Line Diameter: 3/8"