This is the Case Set for the Hitec HS-625 and the HS-645 Metal Gear Servos. FEATURES: Constructed of plastic. INCLUDES: Top, center, and bottom case sections for the Hitec HS-625 and the HS-645 Metal Gear Servos with four 1.5mm x 33mm phillips head screws. REQUIRES: Transferring all components from old case to new one. SPECS: Length: 1.59" (40.5mm) Width: 0.77" (19.5mm) Height: 1.50" (38mm) JXS 7/02/02 ir/kh