Aftermarket Truck Frame Repair Nose Conponent Chart (2624HS and 3585PT) Fastener Size -16 (1/2") -16 (1/2") -20 (5/8") -20 (5/8") -24 (3/4") -24 (3/4") 12mm 12mm 14mm 14mm 16mm 16mm 20mm 20mm HS Nose 99-7500 99-7500CC 99-7501 99-7501CC 99-7503 99-7503CC 99-7510 99-7510CC 99-7511 99-7511CC 99-7501 99-7501CC 99-7512 99-7512CC HS Anvil 126158 HS HS Cutter Thimble Thimble 127322 127319 126159 127221 126160 127420 126154 128325 126155 127379 126159 127221 126156 127414 127217 127419 128328 127376 127217 127409 HS2 Nose HS2 Anvil HS2 Thimble 99-7520 99-7520CC 99-7521 99-7521CC 99-7523 99-7523CC Not Available Not Available 99-7531 99-7531CC 99-7521 99-7521CC 99-7563 99-7563CC 128849 128845 128737 128994 128825 128828 Not Available Not Available 128683 Not Available Not Available 129541 128737 128994 130265 130388 HS2 Cutter Thimble 128848 128997 128827 Not Available Not Available 129542 128997 130389 Notes: 1 - To convert the HS installation nose to HS2, remove HS Anivl and Thimble and replace with the HS2 Anvil and Thimble from List above. 2 - To convert the HS cutter nose to HS2, remove HS Cutter Thimble and replace with the HS2 Cutter Thimble from List above. 3 - 12mm & 20mm are not avialble at this time for HS2.