Accessory Set for Bottle Jack Presses No. 1879 – Accessory set for 12-ton and 20-ton bottle jack presses. Includes (A) No. 1890 9" long V-block set; (B) No. 215703 1-1/2" dia. V-pushing adapter; (C) No. 309119 3/4" dia. pushing adapter; (D) No. 309120 1"dia. pushing adapter.