45mm Double Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Elements design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. So size for size, Element is priced significantly lower, than our previously least expensive blocks.Sideplates are hardcoat-anodized to resist corrosion. A tough composite bearing sheave resists corrosion for a long service life.Specifications:Sheave: 45mm / 1-3/4inLength: 108mm / 4-1/4inWeight: 180g / 6.3ozShackle pin: 6mm / 1/4inMaximum line: 12mm / 1/2inMaximum working load: 875kg / 1929lbBreaking load: 1750kg / 3858lb