3B® Anatomical Model - Loose Bones, Arm Skeleton, LeftLeft arm skeleton sections are made from durable, unbreakable plastic. All medical quality, natural casts. Wire Mounted. Loose bones, arm skeleton, left (wire). Product Specifications BRAND3B Scientific® MANUFACTURERS PART NUMBER12-4582L LENGTH INCHES3/4 WIDTH INCHES4-3/8 HEIGHT INCHES28-3/8 WEIGHT LBS1 DESCRIPTIONLoose Bones, Arm Skeleton, Left TYPELoose Bone Models PACKAGE QUANTITY1 LIMITED WARRANTY1 Year