42 can accommodate the fastening means used to secure the lower most rung to the side rails of the ladder thus cutout 42 allows leveling leg 10 to be inserted into the side rail of the ladder without interfering with the fastening means used to affix the lower rung to the ladder a bore 24 centrally located immediately below cutout 40 and extending through leveling leg 10 from inner side 14 to outer side 16 further secures leveling leg 10 in the desired position within the ladder a recess 26 concentrically disposed around bore 24 is designed to receive a washer for securing a bolt through securing hole 24 a gripper support hole 28 is provided near the bottom of leveling leg 10 and centrally disposed therein gripper hole 28 is used to secure a gripper foot 56 fig4 to leveling leg 10 to prevent the ladder from slipping fig4 shows a ladder 50 having side rails 57 and 58 with rungs 52 and 54 therebetween a plurality of first support holes 25a 25e are disposed in the lower portion of side rails 57 and 58 and extend through said side rails parallel to rungs 52 and 54 a single second support hole 29 disposed in the lower portion of both side rails 57 and 58 extends through said side rails from the.