Made from computer-machined aluminum allowing for gentle, smooth curves, the totally new M-Series blocks are extremely light, yet strong. Combine this light weight with Schaefer's legendary quality and the result is an innovative line of new blocks with an incredible strength to weight ratio. Easy installation with Schaefer's twist top plate. Torlon® rollers and Delrin® ball bearings ensure smooth, fine adjustments, even under high loads.
• Three-way head design
• CNC computer machined aluminum
• Hardcoat anodized finish
• Machined flushing holes
• Machined aluminum sheave