Ronstan Ball Bearing Orbit Blocks - Series 20 - Single, Becket Hub Option, Webbing ronstan orbit blocks - series 150 - single lashing block Due to the large active

Due to the large active surface however

14mm (9/16") diameter mast collar post or 14mm (9/16") wide mast collar plate/tang

Size 18 x 15 x 11cm

Universal head

Ronstan Ball Bearing Orbit Blocks - Series 20 - Single, Becket Hub Option, Webbing ronstan orbit blocks - series 150 - single lashing block Due to the large activeRonstan Ball Bearing Orbit Blocks Series 20 Single, Becket Hub Option, Webbing Low friction Consistent performance 2 Stage ball bearing system Suits up to 10mm (3 8") webbing or RF9003 07 Dyneema link Hollow hub for becket take off Sheave: high compression strength carbon black Acetal Frame: Cheeks: Toughened, glass fibre reinforced Nylon Load straps and ball bearings: Grade 316 stainless steel