FIBREGLASS LADDER 3 + 1 STEP TREAD A sturdy, durable “Professionals” GRP step ladder, includes wide uprights for heavy users or unstable surfaces with safe and secure non-slip struts and rubber feet. Available in 4, 6 , and 8 tread sizes,Conforming with European Standard EN131 - 150kg load. (CLOSE) 1111MM(H) X 447MM (W) X 154MM (L) (OPEN) 1029MM(H) X 447MM (W) X 740MM(L)EN 131