1-used PROGRESSIVE SYSTEMS SBD-31RH 31 IN. GANG RIP SYSTEM. 31 in. arbor capacity pneumatic arbor lock, 14 in. max. dia. tooling, 5 in. max. thickness adjustment, 22 in.min. length, 6 in. throat depth to fence side of blade, (1) 31-1/2 in. saw sleeve, Main Motor: 75 HP, arbor with disc brake and load meter, 34 in. wide feed bed, 5 HP variable feed drive, feed speed from 30-100 FPM; adjustable jam protection, dip bed carried on 2-1/2 in. pitch hardened double V-chain, anti-kickback finger system.