Allstar Engine Connecting Rod and Piston Holder measures 24 inches long x 12 inches wide x 9-1/2 inches tall. The combination rod and piston holder safely supports the piston and connecting rod assemblies during engine teardowns or assembly. The slots are 4-3/4 inches long x 1-1/2 inches wide to accommodate most piston/rod combinations. Assembly is required and it can be also be disassembled again if desired after use for easy storage. It is backed by a 90-day limited factory warranty and sold individually.