M5 0.8 x 16mm Flat Head Socket Cap Screws Countersunk Bolts, Alloy Steel Grade 10.9, DIN 7991, Allen Socket Drive, 100 PCS M5 x 16mm sold2024 allowing the Mother to remain Size:6.3" 160MM Hole Center allowing the Mother to remain in control of her own pain relief • Large electrode pads for maximum nerve coverage • 3 preset programs specifically designed to help counter labour pain at every stage • Integral boost button to provide additional pain relief during contractions • 60 steps of intensity for gentle increases in stimulation • Safety feature which returns intensity to '0' if there is a break in the circuit connection • Active Power Ramp • Drug free and safe to use for both Mother and baby • Backlit Screen Box Contains 1 x Perfect mamaTENS unit 2 x Pairs of 50mm x 100mm rectangular self adhesive pads which include long lead wires 4 x 1 cards embellishment 8mm Total Length : 16mm (Head Included) Allen Hex Drive : 3mm System of Measurement : Metric Specifications : DIN 7991 High Quality Material Alloy Steel Grade 10 Package Included: 100 x Flat Head Socket Cap Screws