... epoxy resin, super light, high strength 2.specs: 8m,10m,12m,15m Range Finder Ruler Ultraportable Height Finder Rod (Range Finder Ruler) is our technical innovation ... : 8m,10m,12,15m Item No.Description SpecificationJTYC-80Ultraportable height finder rod L: 8m(withdraw: 1.m); N.W.: 1.3kg ... .35.m); N.W.: 2.0kg JTYC-150Range finder ruler L: 15m(withdraw: 1.35m); N.W.: 2.5kg fiberglass Range Finder Ruler