Loop Loop and Becket Cheek Block Description Series 19 plain bearing single loop block, maximium line size 6mm, maximium working load 285kgs Series 19 plain bearing single loop and becket block, maximium line size 6mm, maximium working load 285kgs Series 19 plain bearing single cheek block, maximium line size 6mm, maximium working load 285kgs Breaking Load 570 g 570 g 570 g Dimensions H: 35 mm, W: 19 mm H: 35 mm, W: 19 mm H: 35 mm, W: 19 mm Fixing - - M4 Line Diameter max 6 mm max 6 mm max 6 mm Maximum Working Load 285 kg 285 kg 285 kg Bearing Type Plain Bearing Plain Bearing Plain Bearing Sheave Diameter 19 mm 19 mm 19 mm Weight 11 g 14 g 13 g