Ronstan Series 55 Ratchet Orbit Block - Single - Swivel Head - Auto & Manual [RF56100] Marine Hardware | Grab Handles Flange is machined to fit

Flange is machined to fit the hull and grooved to retain bedding compound neck is threaded to approximately 3/8 inch from flange

momentary immersions

Built in Class B AIS Transceiver

virtually zero dusting or sling with Rotary or DA Polisher

Designed to replace the ubiquitous GE "QF" series of quartz floodlights

Ronstan Series 55 Ratchet Orbit Block - Single - Swivel Head - Auto & Manual [RF56100] Marine Hardware | Grab Handles Flange is machined to fitSeries 55 Ratchet Orbit Block Single Swivel Head Auto & Manual Automatic Ratchet Block Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself. Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes. In the auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely great for rapid easing of