b'NEW HSB42040 mm BlocksAbout Carbo Air blocks: see feature page at beginning of this section.Reversible cam arms.2646Use as becket block without the additional height of a becket.Melges 15Melges Performance Sailboats / Morgan Kinney2644 2163 2699 A first! The new carbo twing blockfeatures a spring-loaded top-opening mechanism so you can pop it on or off the sheet very quickly whenever the breeze dictates. And practice makes doing it one-handed a snap. Carbo side plates and sheave give it 38 mm the toughness to survive impact as HSB420 (1 1/2") 63 mm you pull it down tight to the deck. (2 1/2")2636 2637 26522659 26502649264532 mm(1 1/4")Sheave Shackle pin Max line Maximum BreakingPartLength Weight working load loadNo. Description in mm in mm oz g in mm in mm lb kg lb kg2163Cheek/becket1 9/1640744.91393/8102201620735 2 29/32485 2636Single/swivel1 9/16403 3/81.65/32104852201620735 864443/8 26371 9/164041021.7485/3243/810485220735 Single/swivel/becket1620 2644Cheek402 3/4701.2343/8104851620735 1 9/16220 Single/swivel/471 Carbo-Cam**403 3/8864.21195/3241/46150300136 26451 9/1668 Single/swivel/471 Carbo-Cam/becket**1 9/164041024.31225/3241/4300136600272 26466 1 9/161000 2649Traveler404 1/41081.8525/168330150454 2650Single/fixed*1 9/16402 1/2641.4403/810220735 4851620 2652Stand-up/fixed*1 9/16402 3/4701.7483/8104852201620735265990 fixed head*1 9/16402 15/16751.63/84852201620735 4410 2699 Twing 1 9/16403 1/2 89 3 86 3/810606 275 1818 825 HSB420 Single/removable bolt 1 9/16402 1/2641.4403/8102201620735 485 *Can be used as becket block. **Maximum working loads and breaking loads for blocks based on cam strengths.21'