Barton Size 7 Stand-Up Block, 70mm, on Plunger Slide, 32mm (1-1/4in) T-Track

A Barton Series 7 plain-bearing block with a 70mm sheave, held upright on a plunger-stop slide for 32mm (1-1/4in) T-track. It stands ready for the sheet, and the slide lets you move the lead fore and aft.

Manufacturer part number: 32312