What's so special about this 10 piece 3/16 inch- 1/2 inch Eccentric Drill Bit Set? This Things you must know.

JOERIC eccentric drill bits is a new type of drill bit with novel design, which is unique in adopting skewed head design and eccentric structure. eccentric drill bits is made of high quality material, which is wear-resistant and has a long service life and reduces the frequency of replacing the drill bit.

Widely Used: Masonry drill bit can easily penetrate various materials like glass, tile, ceramic, brick, light concrete, wood, plastic, cement, marble, wall, mirror, block, stone, porcelain floor, granite, cinderblock, window, travertine etc.

Efficient Design: 1/4 hex handle is designed for preventing slipping and allows drill bit to be held tightly and stably in power drill. U type slot design makes perfect chip removal ability with overall

Package included:
 3pcs 3/16”Eccentric Drill Bits
 3pcs 1/4”Eccentric Drill Bits
 2pcs 5/16”Eccentric Drill Bits
1pcs 3/8”Eccentric Drill Bits
 1pcs 1/2”Eccentric Drill Bits

ATTENTION:
Keep the drill and bit at a VERTICAL degree and use WATER or COOLANT during drilling.
Do not choose impact mode of drills or hammers when use these masonry drill bits.
The drilling speed should not be so fast, choose a slow speed at the beginning of drilling.