■ SDS max system
■ Capacity: Drill bit：40mm (1-9/16”) /  Core Bit: 110 mm (4-1/3”)
■ Two mode settings - rotary drilling & hammer only with idle position
■ Chiseling angle adjustable by 12-steps lock
■ Ergonomic handle with soft grip
■ Trigger switch
■ Variable speed by dial with 6-steps and Constant Speed Control
■ Low vibration & noise design with high impact energy
■ 1200W powerful motor
■ Auto-stop carbon brushes for extended motor life
■ 360°Auxiliary handle
■ Safety clutch device

■ SDS max system
■ Capacity Drill Bit: 32mm (1-1/4") /  Core Bit: 90 mm (3-1/2")
■ Two mode settings - rotary drilling & hammer only with idle position
■ Chiseling angle adjustable by 12-steps lock
■ Anti-Vibration System
■ Ergonomic handle with soft grip
■ Trigger switch
■ LED Electric indicator
■ LED indicator for replacing carbon brushes
■ Variable speed by dial with 6-steps and Constant Speed Control
■ Low vibration & noise design with high impact energy
■ 1100W powerful motor
■ Auto-stop carbon brushes for extended motor life
■ 360°Auxiliary handle
■ Safety clutch device

■ SDS max system
■ Chiselling angle adjustable by Variable Lock in12-step
■ 360°Auxiliary handle
■ To change brushes when the light is on
■ Constant electronics
■ Variable speed by dial with 6-step and Constant Speed Control
■ Lock-on switch
■ Auto-stop carbon brushes for extended motor life with LED indicator
■ Oil and moisture-proof rubber cord

■ 28mm(1-1/8")Hex Shank
■ Anti-vibration handle
■ Lock-on switch
■ Anti-vibration mechanism
■ Auto-stop carbon brushes for extended motor life
■ Metal housing and gear box for higher performance and reliability

Replace bit:
Clean the shank of bit and put some grease
The assembly of bit without the shoulder(with groove)  (see Fig 1 & Fig 2)
Operate the lock part 2 to 150 Degree position, insert the bit 1 into the holder 3.
Operate the lock part 2 back, pull the bit 1 to check if it was locked.
When disassembling, repeat operating lock part 2 to 150 Degree as Fig 1,
then pull out the bit from holder 3.

■ SDS max system
■ Capacity: Drill bit：48 mm (1-7/8”) /  Core Bit: 120 mm (4-3/4”)
■ Two mode settings - rotary drilling & hammer only with idle position
■ Chiseling angle adjustable by 12-steps lock
■ Anti-Vibration System
■ Ergonomic handle with soft grip
■ Trigger switch
■ LED light indicates when to replace carbon brushes;
■ LED light indicates power supply
■ Variable speed by dial with 6-steps and Constant Speed Control
■ Low vibration & noise design with high impact energy
■ 1350W powerful motor
■ Auto-stop carbon brushes for extended motor life
■ 360°Auxiliary handle
■ Safety clutch device