b'40 mm BlocksAbout Carbo Air blocks: see feature page at2156beginning of this section.Bacardi Invitational Winter SeriesHannah Lee NollHigh-strength pivoting lead blocks with cams are used for halyard controls on larger keelboats and as headknockers on dinghies and beachcats for sheeting directly from the boom. Hole spacing and rivet size are the same as Classic models, 2157 making upgrades easy. Cam reverses for either up or down cleating. 2184 2638 2639 2640 2641 26422184F2643 2647 2648 2654Sheave Shackle p in Max line Maximum BreakingPa rtLength Weight workingload loa dN o. Description in mm inmm oz g in mm in mm lb kglbkgPivoting lead block/150 Cam-Matic* **401121863/810300136950430 21561 9/164 1/26.6 91 2157Pivoting lead block/365 Carbo-Cam* **1 9/16404 1/21125.51573/810200950430 26381 9/1640943.2863/1653/81097044023801080 Double/swivel3 11/16 2639Double/swivel/becket1 9/16404 5/161103.4903/1653/8109704401080 2380 2640Triple/swivel1 9/16403 11/16944.63/1653/8145566030501383 11810 2641Triple/swivel/becket1 9/16404 5/161104.71223/1653/81014556603050138326421 9/16402.8803/1653/897044023801080 Double/fixed3 1/28910 2380 2643Double/fixed/becket1 9/16404 3/161062.9843/1653/8109704401080 2647Triple/swivel/471 Carbo-Cam**1 9/163 11/16948.22323/161/46750340680 4051500 2648Triple/swivel/471 Carbo-Cam/becket**1 9/164 5/161108.32353/161/469004081800816 405 2654Quad/swivel1 9/16403 11/16943/163/8145566030501383 6170510 2184 Double-ended swivel 1 9/16406 1/2 165 3.1 89 5/32 43/810485 220 1620 735 22 *Can be used as becket block.**Maximum working loads and breaking loads for blocks based on cam strengths.'