Neuma 4 with a stainless steel grip and aluminium motor assembly available in 3 sizes:

• 27mm 192g (6.75oz)
• 33mm Shift Grip 220g (7.76oz)
• 38mm 347g (12.24oz)

Includes all 4 stroke profile cams in a 3.6mm stroke length:

• 20% cycle
• 28% cycle
• 33% cycle
• 40% cycle

Features:

• 2.75 and 4.2mm stroke cams also available
• Weight: 192g / 220g / 347g
• Length: 90mm (3.6in)
• Diameter: 27mm (1.1in) / 33mm (1.3in) / 38mm (1.5in)
• Output: 8.5W
• Operating range: 4.5-9V
• Connector: RCA
• Autoclave Compatible Grip: Yes 
• Battery Compatible: Yes

NOTE: Some images are computer graphics, actual appearance will vary slightly