Square - Heavy Duty
R-4400 8x8 1-1/4 1x5 1 B
R-4401 8x8 1 3/8x3 3/8 A
R-4408 10-1/4x10-1/4 1 7/8x8-1/4 1 B
R-4441-1 12x12 1 3/8x4-1/2 1 P
R-4511 14x14 1-1/2 1-1/2x5-1/8 1-1/8 A
R-4550 15x15 1-1/4 3-1/2x3-1/2 3/4 C
R-4552 16x16 1-3/4 1-1/4x6-1/4 1-1/4 A
R-4557 16x16 1-1/4 1-3/16x3-3/8 3/4 A
R-4558 17-5/8x17-5/8 1-1/4 1x5 1/2 C
R-4660 18x18 1-1/2 3x4-1/2 1-1/4 C
R-4662 19-3/4x19-3/4 2-1/2 1-3/8x8-1/2 1 A
R-4720 20x20 1-3/4 1-3/8x3-1/2 1-1/4 C
R-4721-A 21x21 1-3/4 1-1/2x8 1-1/4 A
R-4725 21x21 2 3x3 1 C
R-4760 22x22 1-3/4 3x5-3/4 1 C
R-4765 23x23 2 1x6-1/4 1 A
R-4808-A 24x24 2 3/8x6-1/8 1-5/8 P
R-4810 24x24 2 1-3/4x6 1-1/4 C
R-4820 24x24 2 1-3/4x5-7/8 1-3/8 C
R-4826 24x24 2 1x6 1-1/4 A
R-4832 24x24 1-5/8 1-1/16x4-3/4 1 C
R-4832-B 26x26 1-3/4 1-1/16x4 1 C
R-4833 26x26 2 2x7 1 A
R-4850 27x27 2 2-1/2x7-1/2 1 C
R-4852 27x27 2 1-1/2x5 1 C
R-4852-A 27x27 1 1-1/2x5 1 C
R-4859-C 27-3/8x27-3/8 1 2x7 1 A
R-4871 27-1/2x27-1/2 1 2x24 1 B
R-4880 28x28 2 1-1/2x7-1/4 1 C
R-4880-C 30x30 1-1/2 1-1/4x5-7/8 1-1/4 C
R-4882 34x34 2 2x14 1/2 1-1/8 A
R-4882-A 34x34 2 1x9 1-1/8 A
R-4884-A 36x36 1-3/4 2x4 1-3/8 C *
Rectangular - Heavy Duty
R-4389-O 6x12 1-1/4 3/4x4 1 B
R-4390 6x24 1 3/4x4-1/2 1 B
R-4403 8x14 1 1-1/2x2-1/8 1/2 A
R-4404-C 8x24 1 1-1/16x5-7/8 1 B
R-4406 8x24 1-3/4 1-5/16x6 1 B
R-4406-1 8x24 1-3/4 1x2-5/8 3/4 A
R-4406-2 8x24 1-3/4 1x5 1 C
R-4406-C 9-1/4x23-7/8 1 1x2-7/8 1 A
R-4407-2A 9-1/2x24 1-3/4 1x7-1/2 1 B
R-4409 10x17-3/4 1-1/2 1x3-1/2 1 A
R-4409-A 10x24 1-3/4 1-1/4x4-3/4 1 C
R-4409-C 10x24 1-3/4 1x7 1 B
R-4409-E 10x24 1-3/4 1x3-1/2 1 A
R-4409-G 10x24 1-1/2 2x8 1 B
R-4410 10x29 1-1/2 2x8 1 B
R-4421 10x40 1-1/8 1-1/4x8-1/2 1 C
R-4423-A 10-1/4x48 1-5/8 1-1/2x3-1/8 1 A
R-4424 10-1/2x23-1/8 1-3/4 2x2 1 A
R-4430-A 11x24 1-1/2 3/4x4-1/8 3/4 A
R-4430-B 11-1/2x24 1-1/2 1x6-5/8 1 C
R-4435-1 11-7/8x14 2 1x5-1/2 1 C
R-4443 12x14 1-3/4 1-1/2x5-1/4 1-1/4 A
R-4449 12x24 1-1/2 1-1/2x4-1/4 1 A
R-4450 12x24 1-3/4 1x4-1/2 1 A
R-4450-A 12x24 1-3/4 2x2 1 A
R-4451 12x24 2 1-1/2x3-3/4 1 C
R-4454 12x26 1-1/2 1/2x11-1/2 1/2 C
R-4460 12x30 2 1-1/4x4 1 A
R-4462 12x35-3/4 1-1/2 3/4x9 1 B
R-4470 12x48 1-3/4 1x4-1/2 1 A
R-4525 14x24 2 1x5-1/2 1 A
R-4530 14-1/2x22 2 1-1/2x5-1/2 1-1/4 A
R-4531 14-1/2x23-7/8 1 1x5 1 A
R-4540 14-1/2x26-1/2 2 2-1/4x4 1 C
R-4541 14-1/2x28 1-3/4 1-1/4x5 1-1/4 A
R-4544 14-1/2x37-3/4 1-3/4 2x5-3/8 1-1/4 A
R-4545 14-1/2x48 1-3/4 1-1/4x5 1-1/4 A
R-4548 15x20-1/2 1-1/2 2x2 3/4 A
R-4570-1 15x23 1-3/4 1-1/2x5-1/2 1-1/8 A
R-4570-2 15x23-7/8 1-1/2 1x6 1 A
R-4573 15x30 2-1/2 1-1/8x5-1/2 1 A
R-4575-A 15x36 1-3/4 13/16x6-1/2 3/4 A
R-4579 15-1/8x23 1-1/2 1-3/8x5-1/2 1-3/8 A
R-4583 15-1/2x22-1/4 1-3/4 1-5/8x5-1/2 1-3/8 A
R-4584 15-1/2x36 1-3/4 1-1/2x5-1/4 1-3/8 A
R-4585 15-1/2x39 1-3/4 1 7/8x5-7/8 1-1/4 A
R-4586 15-3/4x36 1-3/4 1-1/2x5-1/4 1-3/8 A
R-4600 16x23 2 1-1/4x3-3/4 1 A
R-4603-A 16x24 1-1/8 3/4x5-1/2 1 A
R-4604 16x24 1-1/2 2x4 7/8 C
R-4604-C 16x24 2 2x5 2 A
R-4604-D 16x24 2-1/2 2-1/2x6-5/8 3/4 A
R-4608 16-1/2x19-3/4 1-1/2 1-1/4x6 1 A
R-4610 16-1/2x22 1-3/4 1-1/2x4 1 A
R-4620 17x19 2 1-1/4x4-1/4 1-1/8 A
R-4630 17x20 1-1/2 1-1/4x6-1/2 1 C
R-4632 17x21 2 1-3/8x8-3/4 1 C
R-4640 17x21-1/2 1-3/4 2-1/2x4-1/4 1 A
R-4641-A 17x24 2 1x7 7/8 A
R-4641-C 17x24 2 1x6-1/2 1 C
R-4641-F 17x34 1-1/2 1-1/2x6-3/4 1 A
R-4649 17-1/4x24 1-3/4 1x6-1/2 1 A
R-4649-1 17-1/4x43 1-3/4 1-3/4x3-7/8 1-1/4 C
R-4652 17-3/4x29 3/4 2 1-1/2x4-1/2 1-1/8 A
R-4670-A 18x24 1-1/2 1-1/8x6-3/4 1-1/8 A
R-4671 18x24 2 1x7-1/2 1-1/16 A
R-4672 18x24 2 1-3/8x5-3/4 1-1/8 C
R-4689 18x27-1/4 2 2x6-3/4 1 C
R-4692-A 18x34 2-1/4 1-7/16x8 1 C
R-4698 18x36 1-3/4 2x4 1-3/8 A
R-4710 18x36 2 1-3/4x6-1/4 1-1/4 C
R-4711 18x39 2 1-1/4x5-1/2 1-1/4 C
R-4718 18-3/4x36-3/4 2 2x8 1 A
R-4730 19-1/2x32 1-1/2 2x5 1 A
R-4731 19-1/2x39 1-1/2 2x4-1/2 1 C
R-4732 19-1/2x39 1-3/4 1x7-1/2 1 A
R-4736 20x24 2 1-1/2x2-1/2 1-1/4 C
R-4738 20x24 2 1x5 1 A
R-4739 20x24 2 1-1/8x4-3/4 1 C
R-4740 20x28-1/2 2 1-3/4x8 1 C
R-4750 20x30 2 1-3/4x6 1 C
R-4750-1 20x48 2 1-1/2x5 1 A
R-4751 20-1/2x27 2 1-3/4x5-1/2 1 C
R-4752 20-1/2x36 1-7/8 1-5/8x5-3/4 1-1/8 C
R-4755-B 21x42 1-1/2 1-1/2x5-1/2 1 A
R-4755-C 21x42 1-1/2 1-1/2x5-7/8 1 C
R-4759 22x23 1-3/4 1-1/2x6 1 C
R-4762 22x30 1-1/2 2x6-1/4 1 C
R-4780 22x37 2 2x8 1 C
R-4781 22x48 2-1/2 1-5/8x5-3/8 1-1/4 C
R-4795 22-1/2x45 1-1/2 2x6 1 A
R-4798 23-1/4x36-1/2 2-3/4 1-1/2x7-1/4 1 C
R-4821-A 23-7/8x26 2 1-9/16x4-15/16 1-1/4 C
R-4825 24x30 1-1/2 1-1/2x4-1/4 1-1/4 C
R-4825-A 24x30 2-1/4 1-1/4x- 3/4 1 A
R-4825-B 24x30 2-1/4 1-1/2x6 1 C
R-4828 24x33 2-1/4 1x4-1/2 1 A
R-4829 24x33 2-1/4 1-1/2x6-1/2 1-1/4 C
R-4837 24x35 2-1/2 1-1/2x6-1/2 1-1/2 A
R-4839 24x35-7/8 1-3/4 7/8x9-3/4 1 A
R-4840 24x36 2 2x4-3/4 1 C
R-4843 24x36 1-3/4 1-3/4x6 1 A
R-4853 24x39 2-1/2 1-3/4x5-3/4 1-5/8 A
R-4853-A 24x45 3 1-1/2x6-1/4 1-1/4 A
R-4853-B1 24x51 3 1-1/2x5 1-1/4 C
R-4855 26x30 2 1-1/2x5 1-1/4 A
R-4856 26x32-3/8 4 3-3/8x3-5/8 7/8 C
R-4857 26x48 2 1-1/2x5-1/2 1 A
R-4890 28x37 2 1-3/4x7-5/8 1-1/4 C
R-4891 * 30x48 1-1/2 1-1/2x4-1/4 1-1/4 A
R-4893 ** 30x78 2 1-1/2x5 1-1/4 C
R-4893-B 32x34 2 1x2 1 C
R-4894 33x36 2 1-1/2x6-1/2 1-1/4 C
R-4895-2 * 36x66 2 1-1/2x6-1/2 1-1/4 A