Our 25mm blocks fit in to 4 ranges that look very similar, but utilise very different materials for different applications and loadings. Our 25mm plastic plain bearing "00" range blocks use marine grade 316 stainless steel side plates with a plastic plain bearing sheave. The 00 range is a fantastic entry level block that is suited to slow speed use at low-medium loads (350-1250kg).
Our plain bearing brass sheave blocks are designed to be used at slow speed and take medium loads (400kg - 950kg). The brass sheave works well with stainless steel wire or dyneema line.
Our 25mm ball bearing range are designed to be used at high speeds and take medium-high loads (500kg - 1500kg). They work well with rope and dyneema line.
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