Schaefer Double Block w/Front-Side Shackle & Becket SCHAEFER TWIN SHEET LEAD BLOCKS This shackle has been the

This shackle has been the workhorse of most major races for decades

Nut: high safety steel (lead-free

Spinlock PXR Single Cam Cleat

B - 33/64"

Schaefer Double Block w/Front-Side Shackle & Becket SCHAEFER TWIN SHEET LEAD BLOCKS This shackle has been theProduct Description Schaefer Double Block w Front Side Shackle & Becket Double Block with Front Side Shackle and Becket. Use with either 02 23 or 02 24 for a strong 4: 1 purchase. For Boats to 20' or control lines on boats to 25'. Specifications Sheave Dia.: 1 1 16 in. (27 mm) Sheave Width: 3 8 in. (9 mm) Pin Dia.: 3 16 in. (5 mm) Length: 4 5 32 in. (106 mm) Width: 1 3 16 in. (30 mm) Thickness: 1 1 8 in. (28 mm) SWL: 900 lbs. (410 kg) Weight: 3 oz.