Schaefer Single Ball Bearing Block

• Aluminum cheeks and ball bearing sheave.
• Delrin ball bearing sheave provides a low-friction yet high safe working load block.
• Swivel head may be locked in place.
• Sheave diameter 2-3/8”, thickness 1-3/32”, width 2-1/2”, length 5-1/32”.
• SWL 1,700 lbs. Max. line 1/2”.