SOLA LSB4816P - Big Red 48" & 16" + Bonus Torpedo Box Beam Level Value SetThe SOLA 48" and 16" Box beam levels offer a strong aluminum profile (890 g m strength) with 2 Shock absorbing end caps to protect the level in case of a fall or shock. End caps are equipped with an anti slip surface, allowing for convenient positioning and a secure grip to the measuring surface. The break resistant acrylic block focus vial with 60% magnification also offer a luminous backing for low light conditions. The vial fluid is not affected by