Allen 25mm Single Flared Cheek High Tension Block Select (See Table Below):AL-4279 25MM FLARED HT BLK: SINGLE SHK - EACH Uni-Snap adapter attaches to Perfect

Uni-Snap adapter attaches to Perfect Pole telescoping handle

The shaft of the pump is stainless steel

The maximum security

Enables easy and safe gearing by preventing accidental gear engagement unless engine is idling

Ideal for use with fully battened or conventional mainsails

Allen 25mm Single Flared Cheek High Tension Block Select (See Table Below):AL-4279 25MM FLARED HT BLK: SINGLE SHK - EACH Uni-Snap adapter attaches to Perfect25mm Single flared cheek high tension block. The Allen high tension stainless steel block range is specifically intended for use where wire, dyneema and spectra lines are loaded under high tension. The entire block is engineered using 316 stainless steel and the inner ball race sheave is CNC machined from solid giving unfailing results every time. Spec Sheet Part Description Sheave Dia mm Length mm Line Dia. mm Shackle Pin mm Break Load Kg. Weight gm