Specification: Quick Change Turning and Facing Lathes Tool Post Holder Use for lathe swing 10-15″ piston Type or wedge type tool posts sets 250-201 T Oversize Turning Tool Holders, use tool bit up to 3/4″ Feature: Holder provides maximum rigidity and absence of vibration prevents breaking blades! Precision ground and hardened. Completely sealed for maintenance free operation Turning and facing tools can be locked together (saving time and labor when changing operations) Package Including: 10 PCS Quick Change Tool Post Notes: Pls check your old picture or model when you order it.