This version of the Crosby Super Champion series is a step up from Crosby's Champion blocks. They are beefier all around and have higher Working Load Limits comparatively, and are sized for use with larger wire rope. This tail board model ships with no hook or shackle, and it's a durable block and a good starting point if you have your own means of attachment. Many of our customers look for this kind of block when they have their own shackle or hook, or an engineered application. It's made from forged steel. Available in multiple sheave sizes and Working Load Limits. Choose between bronze bushings or roller bearings. Each block is fatigue rated and RFID equipped prior to shipment.