Allen 30mm Plain Bearing Through Deck Single.

Through deck blocks are designed to guide rope control lines through a deck or surface.

Featuring a hard-wearing acetal body shaped perfectly to house the sheave, which results in a performance that you can rely on for adjustable rigging and other highly loaded applications.

Available with one or two sheaves and in plain and ball bearing systems to suit a wide variety of applications.

Plain Bearing, The acetal sheave spins around the central axle. This type of bearing has a long lifespan and is very low maintenance.¬†