b'Exit Blocks $ All Prices in 359Canadian Dollars $RF453 RF568 RF569 RF917 RF919 RF2379Upright Lead BlocksNo. Sheave Dia. mm Max. Rope mm M.W.L kg B.L kg PriceRF453 22 3 160 350 $ 41.95RF568 19 5 250 550 23.95RF569 19 8 250 550 23.95RF917 19 8 250 550 22.95RF919 29 6 600 1250 26.95RF2379 13 5 250 550 20.50Sheave Boxes And Lead BlocksRF1985RF1018RF609RF21No. Description SheaveSheave Material Max. LineM.W.LB.L kg PriceDia. mm Dia. mm kgRF609 Twin offset sheave exit box, becket 38 Acetal 6 - - $ 48.00RF1018 Double, ball bearing exit box 29 Acetal 6 160 650 $ 33.00RF1985 Single, ball bearing exit box 19 Acetal 6 200 1000 $ 38.00RF21 Twin sheave halyard exit box, wire type 45 Aluminium Alloy 4 (wire) - - $ 49.00Load ratings: Breaking load B.L are the typical loads at or around which failure can be expected to occur with new product. a factor of safety (minimum of 2) should be applied to the breaking load figures to suit each application. The factor of safety should allow for safety implications, service life, fatigue (including cycling due to wave action and wind stresses), type of load and corrosion etc.email: hmp@hollandmarine.comwebsite: www.hollandmarine.comfax:905-891-7972tel:905-891-1639 359'