90°L-bar Monitoring Prism ADS104Monitoring Mini Prism/ Monitoring Mini Prism Target With L-bar/ 25 mm L-Bar Mini Copper-Coated PrismLeica GMP104 Style. Mini monitoring prism mounted in metal holder.Supplied with L-bar for fixed installations. Prism material: BK7; Diameter: 25.4mm; Coating: Copper; Accuracy: 5"; Surface quality: 60/40; Prism Constant: 8.92mm. Dimension of L-bar is 76*76*15mm. Ideal for deformation surveys, mining surveys, or where permanent mounting is needed. Net weight: 0.2KG. Qty: 50 sets/Carton; G.W.: 12.5kg/Carton;Carton Size: 0.02cbm(1125px×525px×475px)