Series 30 blocks offer smooth running performance with low friction. There low profile, light weight, blocks are incredibly strong. Typically used as primary lead blocks on dinghies and catamarans, they are also suitable for many control line applications on larger boats.

Captive lock, swivel, loop & shackle heads.
Ringless keyhole becket pins, quick adjusting clear angles.
Sheave diameter: 1 3/16".
Max line 5/16"
MWL 660,
BL 1650

Price: $26.50