Klein's Tree Climber set includes the pads, straps, leg irons, stirrups and 2-3/4-Inch gaffs. The secure sleeve and leg iron connections are adjustable in 1/4-Inch (0.6 cm) increments.Contoured leg irons help position gaffs securely and comfortably. The replaceable gaffs firmly attach to the leg iron with a center pin and two TORX screws. High-grade leather climber pads are cushioned for maximum comfort. Klein Tools has been providing occupational protective equipment to linemen since the first telegraph poles were strung. Klein components should not be interchanged with components made from other manufacturers because Klein cannot guarantee that those components are properly designed or are free of defects in materials or workmanship.