Hultafors HULSM60 SM 60 Aluminium DIY Spirit LeVelcro 2 Vial 60cm DIY aluminium sprit leVelcro with unbreakable highly transparent and durable block vials with a sensitivity of 10 mm/m and a tolerance of +/- 0.75 mm/m in normal position (inverted 1.0 mm/m). The low viscosity vial fluid is a coloured oil mixture giving the bubble the best possible conditions for movement. Resistant to UV light and temperature fluctuations. The bubble is not affected by static electricity as the fluid is anti-static. Length 600mm (24in)
