... (m) Main frame profile (mm) SBLP-3 3 3 2.5 3 48x84x3.0 SBLP-6 6 3 2.5 3 ... 5 3.9 48x84x3.0 SBLP-10 10 3 2.5 4.3 48x84x3.0 SBLP-15 15 5 4 6 ... .4 150x108x3.0 SBLP-18 18 5 4 6. ... 9 203x112x4.5 SBLP-21 21 5 4 7. ... 4 203x112x4.5 SBLP-25 25 5 4 8. ... 0 203x112x4.5 SBLP-30 30 5 4 8. ...