This set holds 60 of the tools most commonly used for field electronic service and computer service. Set includes a top and bottom pallet. Pallet dimensions are 17" x 12" for Regular 9800 set and 17" x 14" for Large 3709 set Designed for tool case with internal dimensions: Regular - 17.75" x 12.5" and Large - 17.75” by 14.5” Pocket layout for 9800 and 3709 is the same.