Neodymium Channel Magnet with countersunk hole.
Super strong neodymium magnet encased inside a stainless steel channel bar.
Width is 13.5mm (0.53") and thickness is 5mm (0.2") for all channels.
Holes diameter is 3.3mm (0.13"):
Note: Items NCM10, NCM20 and NCM30 have 1 hole only
Length (and pull force) / Hole information:
10mm (.394") long (8.8 lb) / 1 hole only
20mm (.797") long (15.4 lb) / 1 hole only
30mm (1.18") long (26.4 lb) / 1 hole only
40mm (1.57") long (37.4 lb) / 30mm (1.18") between holes
50mm (1.97") long (59.4 lb) / 40mm (1.57") between holes
60mm (2.36") long (66 lb) / Distance between holes is 50mm (1.97')
70mm (2.76") long (68.2 lb) / Distance between holes is 60mm (2.86")
80mm (3.15") long (72.6 lb) / Distance between holes is 70mm (2.76")
90mm (3.54") long (77 lb) / Distance between holes is 80mm (3.15")
100mm (3.94") long (79.2 lb) / Distance between holes is 90mm (3.54")
110mm (4.33") long (83.6 lb) / Distance between holes is 100mm (3.94")
120mm (4.72") long (88 lb) / Distance between holes is 110mm (4.33")