Blocks

Ball bearing swivel bases feature dual rows of Delrin ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. The low profile 205 is used when installation is at...

Swivel cleat bases permit easy cleating and releasing from any angle. Sheave can be relocated up or down to allow the control line to feed from below. Series 20 ball bearing sheave Small "T-Cleat" "Fast Track" fairlead

The Harken 240 Swivel Cam Cleat is a simple swivel base for main and jib sheets on very small boats or for control lines on boats of all sizes. This model works with line up to 12 mm and great for large diameter sheets. Height: 49 mm / 1-15/16 inch...

Swivel cleat bases permit easy cleating and releasing from any angle. The adjustable arm controls the height for optimum cleating angle. The dual rows of race ball bearings in the base minimize friction, while the adjustable ratchet system prevents the...