Wacker Neuson - Flex Shafts SM 2E - 5100069204 The Wacker Neuson Flex Shaft is a flexible shaft for modular, high-frequency internal concrete vibrator HMS. Designed for vibrator heads with 25 mm diameter, it provides a tool-free connection to the engine via quick disconnect coupling. Works with Models M1500/120 drive engine 5100004500; M2500/120 drive engine 5100006000; H25(S) head, 1in. 55000006566; H25HA head, 1in. 5000610058. Features 6.5ft. (2000 mm) sturdy flexible shaft, tool-free connection to the engine via quick disconnect coupling With bend protection (metal spiral) Works with Models M1500/120 drive engine 5100004500; M2500/120 drive engine 5100006000; H25(S) head, 1in. 55000006566; H25HA head, 1in. 5000610058. Attribute Specification item# 87851 Brand Wacker Neuson Manufacture's Warranty 1 year limited warranty Ship Weight 5.5 LB Attribute Specification Battery Included No Tool Only Yes Product Weight 5.5 lb