Has a dimpled metal insert for pushing needles so your fingers don't get sore.

Specifications

• Width: 3.74 to 4.33 in.(9.5 to 11 cm)
• Depth: 1.77 to 2.36 in. (4.5 to 6 cm)
• Thumb Hold Dimensions: 1.38 in. x 0.98 in. (3.5 cm x 2.5 cm)