Package included: 3 air hammer bits and a spring. Suitable for tire repair, wind pipe seam, crushing hard rock, etc Air hammer flat drill is suitable for pneumatic rivet hammer, 150mm, 190mm, 250mm air gun air hammer and shovel Oval-shaped/ Spherical and flat head surface for the formation of metal plates, rivets, knock out and so on. Different shapes can adapt to different jobs Heavy duty air hammer fittings are made of high quality alloy steel with the necessary hardness and durability
Features:
Material: alloy steel
Type: hammer bits

Sizes:
-- Oval-shaped Air Hammer bit: 176 * 25mm (6.93 * 0.98 inch)
-- 2 Pcs Flat Head Air Hammer bits: 100 * 30mm (4.0* 1.18 inch); 80 * 35mm (3.14 * 1.37 inch)
-- Spring: 28* 26mm (1.10* 1.02 inch)

Package included:
3x Hammer bits
1x Spring

Note:
1.Please allow 1-2cm errors due to manual measurement.
2.The head of the hammer bits include corve and flat head.
3.Due to the different image angles, some images may not display of the clear head shape, please understand, thank you!
（The longest hammer head is spherical shape,others hammer is flat shape.）
4. The bit installed in the pneumatic sewing machine, need to connect the air compressor to use.can replace the head to use.