Ronstan Orbit Series 55 Double Becket Block w/ Swivel Head Wichard 45/64" (18mm) Plain Bearing Blocks Ronstan Series 75 Top Blocks

Ronstan Series 75 Top Blocks for RF72900 Twinspeed System

which is 10 times stronger and lighter than steel

B - 1 1/16" (27 mm)

Wichard Double 1 3/8" (35mm) Block w/ Swivel Head & Becket

Length - 6 3/8" (162mm)

Ronstan Orbit Series 55 Double Becket Block w/ Swivel Head Wichard 45/64" (18mm) Plain Bearing Blocks Ronstan Series 75 Top BlocksProduct Description Orbit Series 55 Double Becket Block w Swivel Head Features Ultra Lightweight Low friction 2 stage Orbital ball bearing system Highest working load in its class Low profile and compact High performance cleating Swivel shackle head for unlimited block rotation. Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points. Ultra low profile integrated beckets. Sheave 2 5 32 in. Max. Rope 3 8 in. Max.