High tensile spring mechanism enables smooth extension from 50cm to 200cm, pair with nonslip that reduces accidental detachment by 90 Secure mounts to beams / pipe in workshops, construction sites, or homes garages without tool operational in 30seconds German styles hook retractor supports up to 1.2 / 3kg load with 50-200cm adjustable ranges, featuring space saving design for workspaces efficiency Essential for electricians, maintenance crews, and DIYers requiring secure overhead tool access in confined space Reinforced nonrust steel cores and industrial grades housing withstands repeated industrial use, doubling traditional hook lifespans, Manufacturer: HDOYTXXM