• CAT50-ER25 set included 18pcs Collets, 1 wrench
• Gauge length of Holder : 2.76″
• ER25 capacity : 3/32 – 5/8
• Holder balanced G2.5 at 20,000RPM
• Taper to Taper accuracy : 0.0002″
• Draw bar :  1″-8
• Packed in plastic storage box

18 pieces of ER25 with hole sizes: 3/32″ ,1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16″, 11/32″, 3/8″, 13/32″, 7/16″, 15/32″, 1/2″, 17/32″, 9/16″, 19/32″, 5/8″.
Made of high alloy spring steel.
Hardened surface to 44-48 HRc.
Maximum gripping force with 16 jaws.
for hole size under 13/32″ Runout precision of 0.0004″ (Concentricity of 0.0002″).
for hole size above 13/32″ Runout precision of 0.0006″ (Concentricity of 0.0003″).