быстрое освобождение бар зажим

Name:quick ratchet bar clamp Size: 1)small: clamp capacity 105 mm length:200mm with metal bar weight: 70g 2)middle: clamp capacity155 mm length:345mm with metal bar weight: 570g 3)long: clamp capacity300 mm length:495mm with metal bar weight: 680g color: seletable Material: 1)Clamp housing: PA6 Nylon+30% fibre glass 2)Clamp jaws: PP(red) 3)Metal bar of clam: A3 steel Quality Standard: 1)VAP/GS approved and certified standard 2)distance of handle be kept between15 mm while pressed