Index | Use chart | 57 mm | 75 mm | 100 mm | 125 mm & 150 mm | Teardrop | Crossover | Mastbase Halyard Lead & Flip-Flop | Footblocks | AirRunners | Stainless Steel Runners | Opening Foot Blocks | Snatch | ESP Blocks | Stainless Steel ESP | Stainless Steel Blocks | Specifications
Big Boat blocks > Specifications
 1965 1974 3012 |
 3018 3022 3138 |
 6076 6079 6082 6083 |
 6051 6060 6070 6074 |
1963 1964 1967 1968 1972 1973 3005 3006 3010 3011 3017 3023 3033 |
 3134 |
Stand-Up Blocks
| Part No. | A | B | C | |||
| in | mm | in | mm | in | mm | |
| 1965 | 21/4 | 57 | 23/16 | 56 | 11/4 | 32 |
| 1974 | 3 | 76 | 3 | 76 | 111/16 | 43 |
| 3012 | 311/16 | 94 | 33/4 | 95 | 21/4 | 57 |
| 3018 | 311/16 | 94 | 41/8 | 105 | 23/8 | 60 |
| 3022 | 41/4 | 107 | 511/16 | 145 | 35/8 | 92 |
| 3138 | 3 | 76 | 215/16 | 74 | 13/4 | 45 |
Footblocks
| Part No. | Fasteners (FH) | A | B | C | D | E | F | G | ||||||||
| in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | in | mm | |
| 1963/1964/1967/1968 | 1/4 | 6 | 3/8 | 10 | 15/18 | 24 | 21/16 | 52 | 5/8 | 16 | 23/8 | 60 | 35/16 | 84 | 1/2 | 13 |
| 1972/1973/3005/3006 | 5/16 | 8 | 1/2 | 13 | 11/8 | 29 | 213/16 | 71 | 7/8 | 22 | 31/16 | 78 | 43/8 | 111 | 3/4 | 19 |
| 3010/3011 | 3/8 | 10 | 9/16 | 14 | 11/2 | 38 | 311/16 | 94 | 11/8 | 29 | 41/16 | 103 | 55/8 | 143 | 13/16 | 21 |
| 3017/3033 | 1/2 | 12 | 11/16 | 17 | 113/16 | 46 | 47/16 | 113 | 13/8 | 35 | 51/8 | 130 | 615/16 | 176 | 15/16 | 24 |
| 3023 | 5/8 | 16 | 13/16 | 20.6 | 23/32 | 53.3 | 51/4 | 133.4 | 15/8 | 41 | 61/16 | 154 | 81/16 | 204 | 15/16 | 24 |
| 6051/6070 | 3/8 | 10 | 21/16 | 52 | 25/32 | 55 | 25/16 | 59 | | | | | | | | |
| 6060/6074 | 3/8 | 10 | 2 | 51 | 21/2 | 63 | 3 | 75 | | | | | | | | |
| 6076/6082 | 3/8 | 10 | | | 25/32 | 55 | 25/16 | 59 | | | | | | | | |
| 6079/6083 | 3/8 | 10 | | | 21/2 | 63 | 3 | 75 | | | | | | | | |
| 3131 | 5/16 | 8 | 1/2 | 13 | 11/4 | 38 | 4 | 102 | 7/8 | 22 | 31/8 | 79 | 43/8 | 111 | | |
Index | Use chart | 57 mm | 75 mm | 100 mm | 125 mm & 150 mm | Teardrop | Crossover | Mastbase Halyard Lead & Flip-Flop | Footblocks | AirRunners | Stainless Steel Runners | Opening Foot Blocks | Snatch | ESP Blocks | Stainless Steel ESP | Stainless Steel Blocks | Specifications