8 Pack, Clear shelf support pegs are constructed from heavyduty plastic These types of shelf support pegs are commonly used in bookcases, stereo and storage cabinets to support adjustable glass and wood shelving at up to 25 lbs per support peg These shelf support pegs feature a 14 in peg diameter and they are easy to install Use pliers to remove any stubbornstuck pegs Avoid using levels where hole’s diameter has been widened