Ronstan Orbit Blocks - Series 100 - Halyard, Screw Pin Head ratchet strap Spigot sizes are in inches

Spigot sizes are in inches and are an inside diameter measurement

Lanyard D-Rings

I have a boat with a WakeboardPro that works perfectly in RPM Mode

Stands off transom 125mm

Ronstan Orbit Blocks - Series 100 - Halyard, Screw Pin Head ratchet strap Spigot sizes are in inchesThe highest strength to weight ratio Minimal friction loss, especially when working at high loads Totally reliable and trouble free performance Simplicity of design and construction to facilitate maintenance and servicing Elegant, functional styling and finish Removable pin Bushed to 16mm (5 8") diameter Orbit blocks are a no compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional