SHMSL-316 | Stronghand Mag-Level 45/ 90/ 180deg. 30 KG Adjust-O Mag-Level Innovative magnets and levels with unique and updated features. • The only magnetic level with the On/Off switch. • Holds securely to round and flat surfaces. • Three vials for 0° 45° 90° reading. • Angles: 45° 90° 180° • Max. Pull Force: 30 kg • Dimension: 100 x 406 x 25 mm • Weight: 0.9 kg * Magnetic force is based on 3/8? thick steel.