MSA M21/LOK

MSA M21/LOK
Cast aluminum, 1,000lb load rating, Charcoal tint with satin black ring
Replacement cap MSA-CAP-B
Sizes:
M21-04710,  14″x7″, 4/110mm, 4″ Backspacing, 0mm Offset
M21-04737,  14″x7″, 4/137mm, 4″ Backspacing, 0mm Offset
M21-04756,  14″x7″, 4/156mm, 4″ Backspacing, 0mm Offset
M21-05710,  15″x7″, 4/110mm, 4″ Backspacing, 0mm Offset
M21-05737,  15″x7″, 4/137mm, 4″ Backspacing, 0mm Offset
M21-05756,  15″x7″, 4/156mm, 4″ Backspacing, 0mm Offset
M21-06737,  16″x7″, 4/137mm, 4″ Backspacing, 0mm Offset
M21-06756,  16″x7″, 4/156mm, 4″ Backspacing, 0mm Offset