pe, Ladies/Gents Industrial Steel Snap Hook by aliens with a screw top cover cap with extremely high break values are common has been used. Details: version:/Wlock/mainly for industrial use key lock closure Snap opening: 27 mm, Weight: 167 g Breaking load closed: 53 kN breaking load open: 16 kN breaking load across: 18 kN Certification (S): CE, EN 362