These have all of the same features of the new 50mm blocks and some other great innovations: quick adjusting cleat arms, simply pull the stops down slide the cleat to its new position and lock them back into place. All 50mm blocks also feature keyhole becket pins, no split rings to lose or tape.

Large sheave is 2 1/8" (54mm) small sheave is 1 5/16" (34mm)

Max line size is 3/8"

MWL 1102

BL 3310

Price: $57.10