Dental Equipment AJ12/AJ17 Armrest Armrest AJ12 AJ17Left and Right Hand Rests for AJ12/AJ17, Part Numbers A121426 and A121427 $1.00 Request a Quote System Overview The AJ12/AJ17 Armrest provides ergonomic support and comfort for dental chairs, featuring both left and right Hand Rests (A121426 & A121427). These armrests enhance patient comfort and are designed for durability and ease of use. Standard Features Ergonomic Design for Enhanced Comfort Includes Left and Right Hand Rests Compatible with AJ12/AJ17 Models