Slider and method for repairing slide fastener

A slider for a slide fastener comprising:

• a slider body comprising at least a first blade, a second blade opposed to the first blade, a guide column for connecting shoulder opening side ends of the first and second blades to each other, and a pair of first flange sections disposed on left and right side edges of the first blade and extending toward left and right side edges of the second blade;
• and
• a tab disposed on at least one of the first and second blades, wherein the slider body comprises an element guide passage surrounded by element guide surfaces, wherein:
• the slider body comprises a slider main member and a slider sub-member formed independently from the slider main member,
• the slider main member comprises a first portion including at least an inner wall surface of the shoulder opening side end of the first blade and a second portion including at least an inner wall surface of the shoulder opening side end of the second blade and the guide column connecting integrally the first and second portions,
• the pair of first flange sections of the first blade are integrally formed with the slider sub-member,
• the slider sub-member is assembled with and fixed to the slider main member, and
• the element guide surfaces of the slider body comprise at least the inner wall surface of the first portion of the slider main member, the inner wall surface of the second portion of the slider main member and inner wall surfaces of the pair of the first flange sections of the slider sub-member.