Allows removal and installation of the cabin spring shock absorber.The inner socket holds the shock absorber piston, while the outer socket undoes the shock absorber top nut.Many applications including Volvo Trucks FM, FH 500P and 540P.Size: Outer socket 18mm. Inner slotted socket 10 x 7.5mm.Always ensure the weight of the cab is correctly supported.Compatible with Sealey Model No. RE251 Shock Absorber Spring Compressor, for easy removal of the shock absorber top nut.Model No. RE252EASY INSTALLATION - Designed for removing and installing the cabin spring shock absorber top nut.UNIQUE DESIGN – Features an inner socket to hold the shock absorber piston and an outer socket to loosen the top nut.MANY APPLICATIONS - Including Volvo Trucks FM, FH 500P and 540P.SIZE – Outer socket 18mm. Inner slotted socket 10 x 7.5mm.SAFETY WARNING - Always ensure the weight of the cab is correctly supported.COMPATIBILTY - Use with SEALEY RE251 Shock Absorber Spring Compressor for easy removal of the shock absorber top nut.