SMC I-08A Single Knuckle Joint MSRP: Now: $30.35 Was: CA2 Accessory, I Type Single Knuckle JointAdd on single knuckle rod joint for SMC s series CA2.- Accessory: I type single knuckle joint- Size: CA2: 40, 50, 63, 80, 100- Material: sulfur free cutting... I-08A